Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
A297725
Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
Terms
- a(0) =1a(1) =876a(2) =21116a(3) =268630a(4) =6812856a(5) =183324631a(6) =4021047904a(7) =89397422003
External references
- oeis: A297725