Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
A295047
Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s.
Terms
- a(0) =8a(1) =48a(2) =270a(3) =1569a(4) =9045a(5) =52199a(6) =301306a(7) =1739181a(8) =10038808a(9) =57945607a(10) =334471955a(11) =1930628323a(12) =11143914889a(13) =64324570123a(14) =371292350727
External references
- oeis: A295047