heterosquare
Noun. An ''n''-by-''n'' arrangement of ''n''2 numbers such that the numbers in each row, in each column and along both diagonals all have different sums.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.