Number T(n,k) of inequivalent n X n matrices with entry set {1,...,k}, where equivalence means permutations of rows or columns; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
A256069
Number T(n,k) of inequivalent n X n matrices with entry set {1,...,k}, where equivalence means permutations of rows or columns; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =5a(6) =0a(7) =1a(8) =34a(9) =633a(10) =0a(11) =1a(12) =315a(13) =89544a(14) =7520386a(15) =0a(16) =1a(17) =5622a(18) =64780113a(19) =79587235420a(21) =0a(22) =1a(23) =251608a(24) =302752112913
External references
- oeis: A256069