43337009

Properties

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=5A194925
• 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=26A194931
• Number of lower triangles of a 6 X 6 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=1A194935
• Prime numbersat n=2623677