42029278
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=5A195229
- Number of lower triangles of a 6 X 6 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.at n=4A195236