Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1s.
A297680
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1s.
Terms
- a(0) =44a(1) =597a(2) =12110a(3) =221420a(4) =4202440a(5) =78957968a(6) =1487819051a(7) =28013761161a(8) =527589764007
External references
- oeis: A297680