Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.

A253726

Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.

Terms

    a(0) =518a(1) =6530a(2) =83884a(3) =1076964a(4) =13552198a(5) =172901292a(6) =2184376310a(7) =27787898426a(8) =351770175332

External references