Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo n and the upper left element equal to 0.

A267343

Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo n and the upper left element equal to 0.

Terms

    a(0) =1a(1) =462a(2) =222a(3) =1220a(4) =14328a(5) =401459a(6) =21319105a(7) =2025457429

External references