Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
A297730
Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
Terms
- a(0) =1a(1) =32a(2) =92a(3) =362a(4) =2719a(5) =11171a(6) =53173a(7) =304157a(8) =1417699a(9) =7020469a(10) =36967694a(11) =180826511a(12) =905496100a(13) =4634841976a(14) =23093286304a(15) =116089088992a(16) =588289208512
External references
- oeis: A297730