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

A268117

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

Terms

    a(0) =1a(1) =10a(2) =30a(3) =182a(4) =1687a(5) =24745a(6) =586844a(7) =22971957a(8) =1520467020

External references