Determine if a Given Number is a Triangle Number
Is my wife right? Now with even more wrong husband
Back to basics 6 - Column Vector
How long is the longest prime diagonal?
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Find the peak 3n+1 sequence value
Replace NaNs with the number that appears to its left in the row.
Find relatively common elements in matrix rows
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