A good opportunity to implement a hashtable: lots of collisions without it.
A re-post of Solution 1137054, because that one doesn't appear in the list of solutions, for some reason (I'm not sure why).
Remove any row in which a NaN appears
Recurring Cycle Length (Inspired by Project Euler Problem 26)
Divisible by 6
Find the nearest prime number
Two functions (to be sure)
BLOCK x3 (Version 4)
Numbers spiral diagonals (Part 2)
Replicate elements in vectors
Generalised Hamming Number
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