Problem 1106. I've got the power! (Inspired by Project Euler problem 29)

Consider all integer combinations of a^b and b^a for the integer values 2 ≤ a ≤ 4 and 2 ≤ b ≤ 5:

    2^2=4,  2^3=8,   2^4=16,  2^5=32
    3^2=9,  3^3=27,  3^4=81,  3^5=243
    4^2=16, 4^3=64,  4^4=256, 4^5=1024
    5^2=25, 5^3=125, 5^4=625

If they are then placed in numerical order, with any repeats removed, we get the following sequence of 14 distinct terms:

4, 8, 9, 16, 25, 27, 32, 64, 81, 125, 243, 256, 625, 1024

Given two values for x and y, find the unique, sorted sequence given by the values a^b and b^a for 2≤a≤x and 2≤b≤y.

Solution Stats

42.46% Correct | 57.54% Incorrect
Last Solution submitted on Jun 01, 2024

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