Number of (n+1)Xn arrays containing n copies of 0..n+1-1 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.

A267339

Number of (n+1)Xn arrays containing n copies of 0..n+1-1 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) =1a(2) =2a(3) =2a(4) =4a(5) =9a(6) =24a(7) =89a(8) =594a(9) =4086a(10) =39921

External references