Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.
A297523
Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.
Terms
- a(0) =1a(1) =55a(2) =727a(3) =3383a(4) =19187a(5) =193087a(6) =1671315a(7) =11283382a(8) =81257447a(9) =657369214a(10) =5147569469a(11) =38210138908a(12) =288167354609
External references
- oeis: A297523