Trivia

Subject:
Re: Doesn't matter :-)
Response To:
Re: Doesn't matter :-) ()

Alex Y
Good question. I guess it is that in a 3x3 "magic square", the rows, columns, and major diagonals all add to 15. In general, the rows, columns and diagonals of an nxn magic square add to
n*(n^2+1)/2.

Why one would have that bit of info available for recall is beyond me. :-)

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