1/7 the number of nX5 0..6 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.
A185408
1/7 the number of nX5 0..6 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.
Terms
- a(0) =13a(1) =22656a(2) =12205368a(3) =9560464068
External references
- oeis: A185408