Number of lower triangles of a 6X6 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.

A195252

Number of lower triangles of a 6X6 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.

Terms

    a(0) =2097152a(1) =10460353203a(2) =74236765958a(3) =192172956591a(4) =333437946202a(5) =481573562101a(6) =631149414120a(7) =780949393809a(8) =930772855532

External references