139323386328
domain: N
Appears in sequences
- Number of lower triangles of an n X n 0..5 array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=6A194928
- Number of lower triangles of a 7X7 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=4A194936