Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 4 1s.
A295274
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 4 1s.
Terms
- a(0) =81a(1) =2570a(2) =99245a(3) =3697742a(4) =139221499a(5) =5221177246a(6) =196091375073
External references
- oeis: A295274