Number of n X 3 0..1 arrays with each 1 adjacent to 1 or 4 king-move neighboring 1s.
A296014
Number of n X 3 0..1 arrays with each 1 adjacent to 1 or 4 king-move neighboring 1s.
Terms
- a(0) =3a(1) =13a(2) =30a(3) =91a(4) =280a(5) =785a(6) =2319a(7) =6816a(8) =19796a(9) =57991a(10) =169568a(11) =495194a(12) =1447954a(13) =4232103a(14) =12368507a(15) =36153433a(16) =105669553a(17) =308852290a(18) =902733635a(19) =2638539016a(20) =7712024753a(21) =22541039139a(22) =65883825698a(23) =192567918338a(24) =562845326527
External references
- oeis: A296014