Check whether the input matrix is a figurate number triangle: http://mathworld.wolfram.com/FigurateNumberTriangle.html
you should probably add a test case where the correct answer is false.
I added a few more tests as suggested.
Return the 3n+1 sequence for n
DNA N-Gram Distribution
The Dark Side of the Die
Sum of odd numbers in a matrix
Maintain shape of logical-index mask
All your base are belong to us
So many choices
The Hitchhiker's Guide to MATLAB
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