Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
A297718
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
Terms
- a(0) =21a(1) =865a(2) =14462a(3) =336653a(4) =8103241a(5) =183324631a(6) =4238895126a(7) =98184350818
External references
- oeis: A297718