Number of n X n matrices containing a permutation of 1..n*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
A181191
Number of n X n matrices containing a permutation of 1..n*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =169a(4) =141696a(5) =3777546912
External references
- oeis: A181191