Number of n X 5 0..4 arrays with values 0..4 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198903
Number of n X 5 0..4 arrays with values 0..4 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =15a(1) =4801a(2) =2125425a(3) =948656912a(4) =423503301834
External references
- oeis: A198903