2089736

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=4A194928
• 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=40A194931
• Number of lower triangles of a 5 X 5 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=4A194934