def main(): """ Consider all integer combinations of ab for 2 <= a <= 5 and 2 <= b <= 5: 22=4, 23=8, 24=16, 25=32 32=9, 33=27, 34=81, 35=243 42=16, 43=64, 44=256, 45=1024 52=25, 53=125, 54=625, 55=3125 If they are then placed in numerical order, with any repeats removed, we get the following sequence of 15 distinct terms: 4, 8, 9, 16, 25, 27, 32, 64, 81, 125, 243, 256, 625, 1024, 3125 How many distinct terms are in the sequence generated by ab for 2 <= a <= 100 and 2 <= b <= 100? """ collectPowers = set() currentPow = 0 N = 101 # maximum limit for a in range(2, N): for b in range(2, N): currentPow = a**b # calculates the current power collectPowers.add(currentPow) # adds the result to the set print("Number of terms ", len(collectPowers)) if __name__ == '__main__': main()