Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo n and the upper left element equal to 0.

A267395

Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northeast neighbors modulo n and the upper left element equal to 0.

Terms

    a(0) =1a(1) =126a(2) =97a(3) =491a(4) =3458a(5) =33828a(6) =451730a(7) =8410362

External references