Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.
A295712
Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.
Terms
- a(0) =16a(1) =209a(2) =2580a(3) =31985a(4) =396571a(5) =4919857a(6) =61023234a(7) =756896741a(8) =9388238587a(9) =116447643403
External references
- oeis: A295712