Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock sum greater than 4.
A184489
Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock sum greater than 4.
Terms
- a(0) =31a(1) =165a(2) =792a(3) =3971a(4) =19593a(5) =97312a(6) =482071a(7) =2390621a(8) =11850280a(9) =58751643a(10) =291260673a(11) =1443961520a(12) =7158542031a(13) =35489140405a(14) =175940409400a(15) =872240066291
External references
- oeis: A184489