Quote:
Originally Posted by bsquared
That's my best pseudorandom matrix, yes. 929587995 is the determinant of the maximal circulant Latin square and refinding it isn't valid for this challenge. What I meant was that when I started trying to generate matrices with structure (symmetric, etc.) then I tended to either find 929587995 or 0... i.e., not useful.

Among the examples of structured matrices with determinant value 929587995, were there also some that did not have the very special structure of Latin squares? That would be a justification for my somewhat strangeseeming formulation of the challenge question.