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.
Find the longest sequence of 1's in a binary sequence.
Determine if a Given Number is a Triangle Number
Compute a dot product of two vectors x and y
Vector of numbers divisible by 3
Increment a number, given its digits
Right and wrong
The Hitchhiker's Guide to MATLAB
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