Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.
A297517
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.
Terms
- a(0) =9a(1) =193a(2) =1408a(3) =15896a(4) =193087a(5) =1995817a(6) =22251457a(7) =249462938a(8) =2728125667a(9) =30217297422a(10) =334834818751
External references
- oeis: A297517