Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
A295377
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
Terms
- a(0) =21a(1) =299a(2) =4071a(3) =55643a(4) =761795a(5) =10437240a(6) =142860055a(7) =1956512289a(8) =26790134422a(9) =366852068404
External references
- oeis: A295377