Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, diagonal or antidiagonal neighbor.
A182070
Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, diagonal or antidiagonal neighbor.
Terms
- a(0) =1a(1) =2a(2) =35a(3) =8292a(4) =43324498
External references
- oeis: A182070