Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s.
A297581
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s.
Terms
- a(0) =13a(1) =183a(2) =2085a(3) =20771a(4) =284289a(5) =3355439a(6) =38609160a(7) =476513137a(8) =5731862594a(9) =67900170433a(10) =820250735104
External references
- oeis: A297581