7640055854
domain: N
Appears in sequences
- Number of lower triangles of an n X n 0..5 array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.at n=6A195229
- Number of lower triangles of a 7 X 7 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.at n=4A195237