289716

Appears in sequences

• Number of 3 X 3 matrices with entries mod n, up to row and column permutation.at n=5A058001
• Number A(n,k) of inequivalent n X n matrices with entries from [k], where equivalence means permutations of rows or columns; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=48A246106
• Number of inequivalent n X n matrices with entries from [6], where equivalence means permutations of rows or columns.at n=3A246112
• Square array T(n,k): row n lists the number of inequivalent matrices over Z/nZ, modulo permutations of rows and columns, of size r X c, 1 <= r <= c, c >= 1.at n=60A353585