Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
A295375
Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
Terms
- a(0) =8a(1) =48a(2) =278a(3) =1634a(4) =9507a(5) =55643a(6) =325134a(7) =1900380a(8) =11107738a(9) =64922149a(10) =379465246a(11) =2217922765a(12) =12963500193a(13) =75770103923a(14) =442867155601
External references
- oeis: A295375