2698979

Properties

Appears in sequences

• Number of lower triangles of an n X n 0..6 array with no element differing from any of its horizontal or vertical neighbors by more than one.at n=4A194929
• 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=5A194934
• Prime numbersat n=196579