Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302967
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =833a(3) =6206a(4) =43588a(5) =314989a(6) =2257439a(7) =16185343a(8) =116204095a(9) =833483135a(10) =5980966891a(11) =42913914839a(12) =307909560484
External references
- oeis: A302967