Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303463
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =170a(3) =9110a(4) =1243692a(5) =427097893a(6) =373571747330
External references
- oeis: A303463