Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A297643
Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =128a(1) =883a(2) =48187a(3) =740555a(4) =24145671a(5) =659362756a(6) =21730243952a(7) =663509235615
External references
- oeis: A297643