Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
A297437
Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =13a(2) =320a(3) =1085a(4) =5108a(5) =50127a(6) =431723a(7) =2741816a(8) =19713343a(9) =158831909a(10) =1226649472a(11) =9140274733a(12) =69805274732a(13) =540678554646
External references
- oeis: A297437