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.
Vectorize the digits of an Integer
How many trades represent all the profit?
Are all the three given point in the same line?
Determine if input is a perfect number
Flip the bit
Factorize THIS, buddy
Tune your guitar
Is my wife right? Now with even more wrong husband
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