Number of inequivalent n X n matrices with entry set {1,...,n}, where equivalence means permutations of rows or columns.

A256070

Number of inequivalent n X n matrices with entry set {1,...,n}, where equivalence means permutations of rows or columns.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =633a(4) =7520386

External references