T(n,k) = number of n X k matrices containing a permutation of 1..n*k in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.

A181196

T(n,k) = number of n X k matrices containing a permutation of 1..n*k in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =1a(9) =1a(10) =1a(11) =5a(12) =4a(13) =1a(14) =1a(15) =1a(16) =14a(17) =29a(18) =8a(19) =1a(20) =1a(21) =1a(22) =42a(23) =290a(24) =169a(25) =16a(26) =1a(27) =1a(28) =1a(29) =132

External references