Number of 5 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
A297435
Number of 5 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =6a(2) =68a(3) =183a(4) =535a(5) =2430a(6) =12005a(7) =45977a(8) =182298a(9) =793315a(10) =3484949a(11) =14803822a(12) =63574491a(13) =278058902a(14) =1219845758a(15) =5340002947a(16) =23461452827a(17) =103504152712a(18) =457326306914
External references
- oeis: A297435