Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
A297429
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =33a(2) =109a(3) =349a(4) =2430a(5) =11345a(6) =50127a(7) =267505a(8) =1348969a(9) =6648889a(10) =34251499a(11) =175903584a(12) =898599371a(13) =4639188241a(14) =23998716363a(15) =124089900743a(16) =643458024265
External references
- oeis: A297429