Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.
A295711
Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 2 or 4 1s.
Terms
- a(0) =8a(1) =57a(2) =385a(3) =2580a(4) =17364a(5) =116902a(6) =786804a(7) =5295555a(8) =35642190a(9) =239892457a(10) =1614612772a(11) =10867264744a(12) =73142892532a(13) =492293394940
External references
- oeis: A295711