Number of n X 5 matrices containing a permutation of 1..n*5 in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
A181192
Number of n X 5 matrices containing a permutation of 1..n*5 in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
Terms
- a(0) =1a(1) =14a(2) =290a(3) =6392a(4) =141696a(5) =3142704a(6) =69705920a(7) =1546100352a(8) =34293030016a(9) =760631058944
External references
- oeis: A181192