Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
A297724
Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
Terms
- a(0) =1a(1) =280a(2) =4090a(3) =34319a(4) =512354a(5) =8103241a(6) =107787351a(7) =1446088760a(8) =20410564866a(9) =284834549399
External references
- oeis: A297724