Find the numeric mean of the prime numbers in a matrix.
Distance walked 1D
Column norms of a matrix
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Generate a NaN...on purpose
Divisible by n, Composite Divisors
Lights Out 8 - 5x5, light-only solution? I
Divisible by 15
The 5th Root
Scrabble Scores - 8
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