Number of lower triangles of an n X n 0..6 array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
A195230
Number of lower triangles of an n X n 0..6 array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
Terms
- a(0) =7a(1) =43a(2) =519a(3) =12259a(4) =570911a(5) =52683885a(6) =9661943973
External references
- oeis: A195230