Number of 5 X n matrices containing a permutation of 1..5*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
A181199
Number of 5 X n matrices containing a permutation of 1..5*n in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.
Terms
- a(0) =1a(1) =1a(2) =16a(3) =985a(4) =141696a(5) =36372976a(6) =14083834704
External references
- oeis: A181199