Number of lower triangles of an n X n 0..7 array with no element differing from any of its horizontal or vertical neighbors by more than one.

A194930

Number of lower triangles of an n X n 0..7 array with no element differing from any of its horizontal or vertical neighbors by more than one.

Terms

    a(0) =8a(1) =62a(2) =1070a(3) =40194a(4) =3308286a(5) =596729942a(6) =236134568314

External references