Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300644
Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =19a(2) =104a(3) =1789a(4) =28089a(5) =456649a(6) =7455411a(7) =121708555a(8) =1990954802a(9) =32547397369a(10) =532327808168
External references
- oeis: A300644