Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303034
Number of n X n 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =74a(4) =703a(5) =13597a(6) =345668a(7) =13840842a(8) =1107624272a(9) =184266124741
External references
- oeis: A303034