The web site of f4r-formic

Power set of 1: [0, 1]
Power set of 2: [0, 1, 2, 1 2]
Power set of 3: [0, 1, 2, 3, 1 2, 1 3, 2 3, 1 2 3]
Power set of 4: [0, 1, 2, 3, 4, 1 2, 1 3, 1 4, 2 3, 2 4, 3 4, 1 2 3, 1 2 4, 1 3 4, 2 3 4, 1 2 3 4]
Power set of 5: [0, 1, 2, 3, 4, 5, 1 2, 1 3, 1 4, 1 5, 2 3, 2 4, 2 5, 3 4, 3 5, 4 5, 1 2 3, 1 2 4, 1 2 5, 1 3 4, 1 3 5, 1 4 5, 2 3 4, 2 3 5, 3 4 5, 1 2 3 4, 1 2 3 5, 1 2 4 5, 1 3 4 5, 2 3 4 5, 1 2 3 4 5]
Power set of 6: [0, 1, 2, 3, 4, 5, 6, 1 2, 1 3, 1 4, 1 5, 1 6, 2 3, 2 4, 2 5, 2 6, 3 4, 3 5, 3 6, 4 5, 4 6, 5 6, 1 2 3, 1 2 4, 1 2 5, 1 2 6, 1 3 4, 1 3 5, 1 3 6, 1 4 5, 1 4 6, 1 5 6, 2 3 4, 2 3 5, 2 3 6, 2 4 5, 2 4 6, 2 5 6, 3 4 5, 3 4 6, 3 5 6, 4 5 6, 1 2 3 4, 1 2 3 5, 1 2 3 6, 1 2 4 5, 1 2 4 6, 1 2 5 6, 1 3 4 5, 1 3 4 6, 1 3 5 6, 1 4 5 6, 2 3 4 5, 2 3 4 6, 2 3 5 6, 2 4 5 6, 3 4 5 6, 1 2 3 4 5, 1 2 3 4 6, 1 2 4 5 6, 1 3 4 5 6, 2 3 4 5 6, 1 2 3 4 5 6]
Power set of 7: [0, 1, 2, 3, 4, 5, 6, 7, 1 2, 1 3, 1 4, 1 5, 1 6, 1 7, 2 3, 2 4, 2 5, 2 6, 2 7, 3 4, 3 5, 3 6, 3 7, 4 5, 4 6, 4 7, 5 6, 5 7, 6 7, 1 2 3, 1 2 4, 1 2 5, 1 2 6, 1 2 7, 1 3 4, 1 3 5, 1 3 6, 1 3 7, 1 4 5, 1 4 6, 1 4 7, 1 5 6, 1 5 7, 1 6 7, 2 3 4, 2 3 5, 2 3 6, 2 3 7, 2 4 5, 2 4 6, 2 4 7, 2 5 6, 2 5 7, 2 6 7, 3 4 5, 3 4 6, 3 4 7, 3 5 6, 3 5 7, 3 6 7, 4 5 6, 4 5 7, 4 6 7, 5 6 7, 1 2 3 4, 1 2 3 5, 1 2 3 6, 1 2 3 7, 1 2 4 5, 1 2 4 6, 1 2 4 7, 1 2 5 6, 1 2 5 7, 1 2 6 7, 1 3 4 5, 1 3 4 6, 1 3 4 7, 1 3 5 6, 1 3 5 7, 1 3 6 7, 1 4 5 6, 1 4 5 7, 1 4 6 7, 1 5 6 7, 2 3 4 5, 2 3 4 6, 2 3 4 7, 2 3 5 6, 2 3 5 7, 2 3 6 7, 2 4 5 6, 2 4 5 7, 2 4 6 7, 2 5 6 7, 3 4 5 6, 3 4 5 7, 3 4 6 7, 3 5 6 7, 4 5 6 7, 1 2 3 4 5, 1 2 3 4 6, 1 2 3 4 7, 1 2 3 5 6, 1 2 3 5 7, 1 2 3 6 7, 1 2 4 5 6, 1 2 4 5 7, 1 2 4 6 7, 1 2 5 6 7, 1 3 4 5 6, 1 3 4 5 7, 1 3 4 6 7, 1 3 5 6 7, 1 4 5 6 7, 2 3 4 5 6, 2 3 4 5 7, 2 3 4 6 7, 2 3 5 6 7, 2 4 5 6 7, 3 4 5 6 7, 1 2 3 4 5 6, 1 2 3 4 5 7, 1 2 3 4 6 7, 1 2 3 5 6 7, 1 2 4 5 6 7, 1 3 4 5 6 7, 2 3 4 5 6 7, 1 2 3 4 5 6 7]
Power set of 8: [0, 1, 2, 3, 4, 5, 6, 7, 8, 1 2, 1 3, 1 4, 1 5, 1 6, 1 7, 1 8, 2 3, 2 4, 2 5, 2 6, 2 7, 2 8, 3 4, 3 5, 3 6, 3 7, 3 8, 4 5, 4 6, 4 7, 4 8, 5 6, 5 7, 5 8, 6 7, 6 8, 7 8, 1 2 3, 1 2 4, 1 2 5, 1 2 6, 1 2 7, 1 2 8, 1 3 4, 1 3 5, 1 3 6, 1 3 7, 1 3 8, 1 4 5, 1 4 6, 1 4 7, 1 4 8, 1 5 6, 1 5 7, 1 5 8, 1 6 7, 1 6 8, 1 7 8, 2 3 4, 2 3 5, 2 3 6, 2 3 7, 2 3 8, 2 4 5, 2 4 6, 2 4 7, 2 4 8, 2 5 6, 2 5 7, 2 5 8, 2 6 7, 2 6 8, 2 7 8, 3 4 5, 3 4 6, 3 4 7, 3 4 8, 3 5 6, 3 5 7, 3 5 8, 3 6 7, 3 6 8, 3 7 8, 4 5 6, 4 5 7, 4 5 8, 4 6 7, 4 6 8, 4 7 8, 5 6 7, 5 6 8, 5 7 8, 6 7 8, 1 2 3 4, 1 2 3 5, 1 2 3 6, 1 2 3 7, 1 2 3 8, 1 2 4 5, 1 2 4 6, 1 2 4 7, 1 2 4 8, 1 2 5 6, 1 2 5 7, 1 2 5 8, 1 2 6 7, 1 2 6 8, 1 2 7 8, 1 3 4 5, 1 3 4 6, 1 3 4 7, 1 3 4 8, 1 3 5 6, 1 3 5 7, 1 3 5 8, 1 3 6 7, 1 3 6 8, 1 3 7 8, 1 4 5 6, 1 4 5 7, 1 4 5 8, 1 5 6 7, 1 5 6 8, 1 5 7 8, 1 6 7 8, 2 3 4 5, 2 3 4 6, 2 3 4 7, 2 3 4 8, 2 3 5 6, 2 3 5 7, 2 3 5 8, 2 3 6 7, 2 3 6 8, 2 3 7 8, 2 4 5 6, 2 4 5 7, 2 4 5 8, 2 4 6 7, 2 4 6 8, 2 4 7 8, 2 5 6 7, 2 5 6 8, 2 5 7 8, 2 6 7 8, 3 4 5 6, 2 4 5 7, 2 4 5 8, 2 4 6 7, 2 4 6 8, 2 4 7 8, 2 5 6 7, 2 5 6 8, 2 5 7 8, 2 6 7 8, 3 4 5 6, 3 4 5 7, 3 4 5 8, 3 4 6 7, 3 4 6 8, 3 4 7 8, 3 5 6 7, 3 5 6 8, 3 5 7 8, 3 6 7 8, 4 5 6 7, 4 5 6 8, 4 5 7 8, 4 6 7 8, 5 6 7 8, 1 2 3 4 5, 1 2 3 4 6, 1 2 3 4 7, 1 2 3 4 8, 1 2 3 5 6, 1 2 3 5 7, 1 2 3 5 8, 1 2 3 6 7, 1 2 3 6 8, 1 2 3 7 8, 1 2 4 5 6, 1 2 4 5 7, 1 2 4 5 8, 1 2 4 6 7, 1 2 4 6 8, 1 2 4 7 8, 1 2 5 6 7, 1 2 5 6 8, 1 2 5 7 8, 1 2 6 7 8, 1 3 4 5 6, 1 3 4 5 7, 1 3 4 5 8, 1 3 4 6 7, 1 3 4 6 8, 1 3 4 7 8, 1 3 5 6 7, 1 3 5 6 8, 1 3 5 7 8, 1 3 6 7 8, 1 4 5 6 7, 1 4 5 6 8, 1 4 5 7 8, 1 4 6 7 8, 1 5 6 7 8, 2 3 4 5 6, 2 3 4 5 7, 2 3 4 5 8, 2 3 4 6 7, 2 3 4 6 8, 2 3 4 7 8, 2 3 5 6 7, 2 3 5 6 8, 2 3 5 7 8, 2 3 6 7 8, 2 4 5 6 7, 2 4 5 6 8, 2 4 5 7 8, 2 4 6 7 8, 2 5 6 7 8, 3 4 5 6 7, 3 4 5 6 8, 3 4 5 7 8, 3 4 6 7 8, 3 5 6 7 8, 4 5 6 7 8, 1 2 3 4 5 6, 1 2 3 4 5 7, 1 2 3 4 5 8, 1 2 3 4 6 7, 1 2 3 4 5 6 8, 1 2 3 4 5 7 8, 1 2 3 4 6 7 8, 1 2 3 5 6 7, 1 2 3 5 6 8, 1 2 3 5 7 8, 1 2 4 5 6 7, 1 2 4 5 6 8, 1 2 4 5 7 8, 1 2 4 6 7 8, 1 2 5 6 7 8, 1 3 4 5 6 7, 1 3 4 5 6 8, 1 3 4 5 7 8, 1 3 4 6 7 8, 1 3 5 6 7 8, 1 4 5 6 7 8, 2 3 4 5 6 7, 2 3 4 5 6 8, 2 3 4 5 7 8, 2 3 4 6 7 8, 2 3 5 6 7 8, 2 4 5 6 7 8, 3 4 5 6 7 8, 1 2 3 4 5 6 7, 1 2 3 4 5 6 8, 1 2 3 4 5 7 8, 1 2 3 4 6 7 8, 1 2 3 5 6 7 8, 1 2 4 5 6 7 8, 1 3 4 5 6 7 8, 2 3 4 5 6 7 8, 1 2 3 4 5 6 7 8]
Power set of 9: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1 2, 1 3, 1 4, 1 5, 1 6, 1 7, 1 8, 1 9, 2 3, 2 4, 2 5, 2 6, 2 7, 2 8, 2 9, 3 4, 3 5, 3 6, 3 7, 3 8, 3 9, 4 5, 4 6, 4 7, 4 8, 4 9, 5 6, 5 7, 5 8, 5 9, 6 7, 6 8, 6 9, 7 8, 7 9, 1 2 3, 1 2 4, 1 2 5, 1 2 6, 1 2 7, 1 2 8, 1 2 9, 1 3 4, 1 3 5, 1 3 6, 1 3 7, 1 3 8, 1 3 9, 1 4 5, 1 4 6, 1 4 7, 1 4 8, 1 4 9, 1 5 6, 1 5 7, 1 5 8, 1 5 9, 1 6 7, 1 6 8, 1 6 9, 1 7 8, 1 7 9, 1 8 9, 2 3 4, 2 3 5, 2 3 6, 2 3 7, 2 3 8, 2 3 9, 2 4 5, 2 4 6, 2 4 7,2 4 8, 2 4 9, 2 5 6, 2 5 7, 2 5 8, 2 5 9, 2 6 7, 2 6 8, 2 6 9, 2 7 8, 2 7 9, 2 8 9, 3 4 5, 3 4 6, 3 4 7, 3 4 8, 3 4 9, 3 5 6, 3 5 7, 3 5 8, 3 5 9, 3 6 7, 3 6 8, 3 6 9, 3 7 8, 3 7 9, 3 8 9, 4 5 6, 4 5 7, 4 5 8, 4 5 9, 4 6 7, 4 6 8, 4 6 9, 4 7 8, 4 7 9, 4 8 9, 5 6 7, 5 6 8, 5 6 9, 5 7 8, 5 7 9, 5 8 9, 6 7 8, 6 7 9, 6 8 9, 7 8 9, 1 2 3 4, 1 2 3 5, 1 2 3 6, 1 2 3 7, 1 2 3 8, 1 2 3 9, 1 2 4 5, 1 2 4 6, 1 2 4 7, 1 2 4 8, 1 2 4 9, 1 2 5 6, 1 2 5 7, 1 2 5 8, 1 2 5 9, 1 2 6 7, 1 2 6 8, 1 2 6 9, 1 2 7 8, 1 2 7 9, 1 2 8 9, 1 3 4 5, 1 3 4 6, 1 3 4 7, 1 3 4 8, 1 3 4 9, 1 3 5 6, 1 3 5 7, 1 3 5 8, 1 3 5 9, 1 3 6 7, 1 3 6 8, 1 3 6 9, 1 3 7 8, 1 3 7 9, 1 3 8 9, 1 4 5 6, 1 4 5 7, 1 4 5 8, 1 4 5 9, 1 4 6 7, 1 4 6 8, 1 4 6 9, 1 4 7 8, 1 4 7 9, 1 4 8 9, 1 5 6 7, 1 5 6 8, 1 5 6 9, 1 5 7 8, 1 5 7 9, 1 5 8 9, 1 6 7 8, 1 6 7 9, 1 6 8 9, 1 7 8 9, 2 3 4 5, 2 3 4 6, 2 3 4 7, 2 3 4 8, 2 3 4 9, 2 3 5 6, 2 3 5 7, 2 3 5 8, 2 3 5 9, 2 3 6 7, 2 3 6 8, 2 3 6 9, 2 3 7 8, 2 3 7 9, 2 3 8 9, 2 4 5 6, 2 4 5 7, 2 4 5 8, 2 4 5 9, 2 4 6 7, 2 4 6 8, 2 4 6 9, 2 4 7 8, 2 4 7 9, 2 4 8 9, 2 5 6 7, 2 5 6 8, 2 5 6 9, 2 5 7 8, 2 5 7 9, 2 5 8 9, 2 6 7 8, 2 6 7 9, 2 6 8 9, 2 7 8 9, 3 4 5 6, 3 4 5 7, 3 4 5 8, 3 4 5 9, 3 4 6 7, 3 4 6 8, 3 4 6 9, 3 4 7 8, 3 4 7 9, 3 4 8 9, 3 5 6 7, 3 5 6 8, 3 5 6 9, 3 5 7 8, 3 5 7 9, 3 5 8 9, 3 6 7 8, 3 6 7 9, 3 6 8 9, 3 7 8 9, 4 5 6 7, 4 5 6 8, 4 5 6 9, 4 5 7 8, 4 5 7 9, 4 5 8 9, 4 6 7 8, 4 6 7 9, 4 6 8 9, 4 7 8 9, 5 6 7 8, 5 6 7 9, 5 6 8 9, 6 7 8 9, 1 2 3 4 5, 1 2 3 4 6, 1 2 3 4 7, 1 2 3 4 8, 1 2 3 4 9, 1 2 3 5 6, 1 2 3 5 7, 1 2 3 5 8, 1 2 3 5 9, 1 2 3 6 7, 1 2 3 6 8, 1 2 3 6 9, 1 2 3 7 8, 1 2 3 7 9, 1 2 3 8 9, 1 2 4 5 6, 1 2 4 5 7, 1 2 4 5 8, 1 2 4 5 9, 1 2 4 6 7, 1 2 4 6 8, 1 2 4 6 9, 1 2 4 7 8, 1 2 4 7 9, 1 2 4 8 9, 1 2 5 6 7, 1 2 5 6 8, 1 2 5 6 9, 1 2 5 7 8, 1 2 5 7 9, 1 2 5 8 9, 1 2 6 7 8, 1 2 6 7 9, 1 2 6 8 9, 1 2 7 8 9, 1 3 4 5 6, 1 3 4 5 7, 1 3 4 5 8, 1 3 4 5 9, 1 3 4 6 7, 1 3 4 6 8, 1 3 4 6 9, 1 3 4 7 8, 1 3 4 7 9, 1 3 4 8 9, 1 3 5 6 7, 1 3 5 6 8, 1 3 5 6 9, 1 3 5 7 8, 1 3 5 7 9, 1 3 5 8 9, 1 3 6 7 8, 1 3 6 7 9, 1 3 6 8 9, 1 3 7 8 9, 1 4 5 6 7, 1 4 5 6 8, 1 4 5 6 9, 1 4 5 7 8, 1 4 5 7 9, 1 4 5 8 9, 1 4 6 7 8, 1 4 6 7 9, 1 4 6 8 9, 1 4 7 8 9, 1 5 6 7 8, 1 5 6 7 9, 1 5 6 8 9, 1 5 7 8 9, 1 6 7 8 9, 2 3 4 5 6, 2 3 4 5 7, 2 3 4 5 8, 2 3 4 5 9, 2 3 4 6 7, 2 3 4 6 8, 2 3 4 6 9, 2 3 4 7 8, 2 3 4 7 9, 2 3 4 8 9, 2 3 5 6 7, 2 3 5 6 8, 2 3 5 6 9, 2 3 5 7 8, 2 3 5 7 9, 2 3 5 8 9, 2 3 6 7 8, 2 3 6 7 9, 2 3 6 8 9, 2 3 7 8 9, 2 4 5 6 7, 2 4 5 6 8, 2 4 5 6 9, 2 4 5 7 8, 2 4 5 7 9, 2 4 5 8 9, 2 4 6 7 8, 2 4 6 7 9, 2 4 6 8 9, 2 4 7 8 9, 2 5 6 7 8, 2 5 6 7 9, 2 5 6 8 9, 2 5 7 8 9, 2 6 7 8 9, 3 4 5 6 7, 3 4 5 6 8, 3 4 5 6 9, 3 4 5 7 8, 3 4 5 7 9, 3 4 5 8 9, 3 4 6 7 8, 3 4 6 7 9, 3 4 6 8 9, 3 5 6 7 8, 3 5 6 7 9, 3 5 6 8 9, 3 5 7 8 9, 3 6 7 8 9, 4 5 6 7 8, 4 5 6 7 9, 4 5 6 8 9, 4 5 7 8 9, 4 6 7 8 9, 5 6 7 8 9, 1 2 3 4 5 6, 1 2 3 4 5 7, 1 2 3 4 5 8, 1 2 3 4 5 9, 1 2 3 4 6 7, 1 2 3 4 6 8, 1 2 3 4 6 9, 1 2 3 4 7 8, 1 2 3 4 7 9, 1 2 3 4 8 9, 1 2 3 5 6 7, 1 2 3 5 6 8, 1 2 3 5 6 9, 1 2 3 5 7 8, 1 2 3 5 7 9, 1 2 3 5 8 9, 1 2 3 6 7 8, 1 2 3 6 7 9, 1 2 3 6 8 9, 1 2 3 7 8 9, 1 2 4 5 6 7, 1 2 4 5 6 8, 1 2 4 5 6 9, 1 2 4 5 7 8, 1 2 4 5 7 9, 1 2 4 5 8 9, 1 2 4 6 7 8, 1 2 4 6 7 9, 1 2 4 6 8 9, 1 2 4 7 8 9, 1 2 5 6 7 8, 1 2 5 6 7 9, 1 2 5 6 8 9, 1 2 5 7 8 9, 1 2 6 7 8 9, 1 3 4 5 6 7, 1 3 4 5 6 8, 1 3 4 5 6 9, 1 3 4 5 7 8, 1 3 4 5 7 9, 1 3 4 5 8 9, 1 3 4 6 7 8, 1 3 4 6 7 9, 1 3 4 6 8 9, 1 3 4 7 8 9, 1 3 5 6 7 8, 1 3 5 6 7 9, 1 3 5 6 8 9, 1 3 5 7 8 9, 1 3 6 7 8 9, 1 4 5 6 7 8, 1 4 5 6 7 9, 1 4 5 6 8 9, 1 4 5 7 8 9, 1 4 6 7 8 9, 1 5 6 7 8 9, 2 3 4 5 6 7, 2 3 4 5 6 8, 2 3 4 5 6 9, 2 3 4 5 7 8, 2 3 4 5 7 9, 2 3 4 6 7 8, 2 3 4 6 7 9, 2 3 4 6 8 9, 2 3 4 7 8 9, 2 3 5 6 7 8, 2 3 5 6 7 9, 2 3 5 6 8 9, 2 3 5 7 8 9, 2 3 6 7 8 9, 2 4 5 6 7 8, 2 4 5 6 7 9, 2 4 5 6 8 9, 2 4 5 7 8 9, 2 4 6 7 8 9, 2 5 6 7 8 9, 3 4 5 6 7 8, 3 4 5 6 7 9, 3 4 5 6 8 9, 3 4 5 7 8 9, 3 4 6 7 8 9, 3 5 6 7 8 9, 4 5 6 7 8 9, 1 2 3 4 5 6 7, 1 2 3 4 5 6 8, 1 2 3 4 5 7 8, 1 2 3 4 5 7 9, 1 2 3 4 5 8 9, 1 2 3 4 6 7 8, 1 2 3 4 6 7 9, 1 2 3 4 6 8 9, 1 2 3 4 7 8 9, 1 2 3 5 6 7 8, 1 2 3 5 6 7 9, 1 2 3 5 6 8 9, 1 2 3 5 7 8 9, 1 2 4 5 6 7 8, 1 2 4 5 6 7 9, 1 2 4 5 6 8 9, 1 2 4 5 7 8 9, 1 2 4 6 7 8 9, 1 2 5 6 7 8 9, 1 3 4 5 6 7 8, 1 3 4 5 6 7 9, 1 3 4 5 6 8 9, 1 3 4 5 7 8 9, 1 3 4 6 7 8 9, 1 3 5 6 7 8 9, 1 4 5 6 7 8 9, 2 3 4 5 6 7 8, 2 3 4 5 6 7 9, 2 3 4 5 6 8 9, 2 3 4 5 7 8 9, 2 3 4 6 7 8 9, 2 3 5 6 7 8 9, 2 4 5 6 7 8 9, 3 4 5 6 7 8 9, 1 2 3 4 5 6 7 8, 1 2 3 4 5 6 7 9, 1 2 3 4 5 6 8 9, 1 2 3 4 5 7 8 9, 1 2 3 5 6 7 8 9, 1 2 4 5 6 7 8 9, 1 3 4 5 6 7 8 9, 2 3 4 5 6 7 8 9, 1 2 3 4 5 6 7 8 9]