11761200209
domain: N
Appears in sequences
- Number of lower triangles of an n X n 0..2 array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=6A194925
- T(n,k)=Number of lower triangles of an n X n 0..k array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=34A194931
- 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=1A194936