Number of n X n 0..1 arrays with every element equal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300770
Number of n X n 0..1 arrays with every element equal to 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =36a(4) =1536a(5) =116954a(6) =27354464a(7) =16992197390
External references
- oeis: A300770