Number of nX6 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
A297222
Number of nX6 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
Terms
- a(0) =9a(1) =69a(2) =535a(3) =4210a(4) =33158a(5) =261939a(6) =2063378a(7) =16277793a(8) =128351805a(9) =1012130530a(10) =7981569963a(11) =62939687472a(12) =496326792470
External references
- oeis: A297222