33642660

Appears in sequences

• Number of inequivalent n X n binary matrices, where equivalence means permutations of rows or columns.at n=7A002724
• 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=52A246106
• Number of inequivalent 7 X 7 matrices with entries from [n], where equivalence means permutations of rows or columns.at n=2A246108