Number of inequivalent n X n matrices using exactly n different symbols, where equivalence means permutations of rows or columns or the symbol set.
A360664
Number of inequivalent n X n matrices using exactly n different symbols, where equivalence means permutations of rows or columns or the symbol set.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =121a(4) =316622a(5) =170309112972
External references
- oeis: A360664