Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 5 or less and triangles differing by a constant counted only once.

A195275

Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 5 or less and triangles differing by a constant counted only once.

Terms

    a(0) =1a(1) =121a(2) =107811a(3) =724789395

External references