Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301324
Number of n X n 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =45a(4) =664a(5) =17491a(6) =1127238a(7) =135428462a(8) =34057380439
External references
- oeis: A301324