Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.

A253728

Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally and vertically.

Terms

    a(0) =23524a(1) =1076964a(2) =57696638a(3) =3121388776a(4) =161854461064

External references