Number of lower triangles of an n X n 0..7 array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
A195231
Number of lower triangles of an n X n 0..7 array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
Terms
- a(0) =8a(1) =50a(2) =610a(3) =14536a(4) =681942a(5) =63338492a(6) =11683832092
External references
- oeis: A195231