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.
Similar Triangles - find the height of the tree
Find Index of maximum Value and maximum Value of a vector
Create a random logical vector of N elements of which M are true.
02 - Vector Variables 2
High school cafeteria
All your base are belong to us
Sum my indices
Increment a number, given its digits
Is my wife right? Now with even more wrong husband
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