Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 6 or less and triangles differing by a constant counted only once.
A195276
Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 6 or less and triangles differing by a constant counted only once.
Terms
- a(0) =1a(1) =169a(2) =248261a(3) =3249312469
External references
- oeis: A195276