Number of 3 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1's.
A297764
Number of 3 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1's.
Terms
- a(0) =1a(1) =4a(2) =52a(3) =206a(4) =734a(5) =4088a(6) =24801a(7) =130159a(8) =666434a(9) =3560105a(10) =19245643a(11) =102730864a(12) =546125038a(13) =2913904858a(14) =15571288925a(15) =83122383401a(16) =443489006259
External references
- oeis: A297764