Where did you find nextpowb?
So many choices
7 segment LED display
Sum the entries of each column of a matrix which satisfy a logical condition.
Find the nearest integer
find the maximum element of the matrix
Lychrel Number Test (Inspired by Project Euler Problem 55)
Recurring Cycle Length (Inspired by Project Euler Problem 26)
Next Higher Power of B
Generalized N-Cards Problem
ASCII Birthday Cake
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