Number of matrices of any size up to column permutations, with n different elements, zero elsewhere and with no zero row or column.
A104600
Number of matrices of any size up to column permutations, with n different elements, zero elsewhere and with no zero row or column.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =49a(4) =795a(5) =18881a(6) =611193a(7) =25704253a(8) =1356235163a(9) =87419692453
External references
- oeis: A104600