length!! and not "not isempty"... good point!
Getting the row and column location from a matrix
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Determine the number of odd integers in a vector
Relative ratio of "1" in binary number
BLOCK x3 (Version 4)
Can you beat the lottery again (for hardcore coder) ?
Generalised Hamming Number
Pandigital number n°3 (Inspired by Project Euler 32)
Longest Collatz Sequence
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