Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 3 or 4 1s.
A295548
Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 3 or 4 1s.
Terms
- a(0) =6a(1) =55a(2) =391a(3) =3035a(4) =23315a(5) =179499a(6) =1385901a(7) =10668635a(8) =82245065a(9) =634066121a(10) =4887549722a(11) =37675822677a(12) =290431052728
External references
- oeis: A295548