Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
A298316
Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =13a(2) =9a(3) =63a(4) =119a(5) =243a(6) =1086a(7) =2782a(8) =8509a(9) =31229a(10) =96678a(11) =326277a(12) =1137213a(13) =3778416a(14) =12973520a(15) =44739137a(16) =152068087a(17) =523345877a(18) =1801042403a(19) =6167742173a(20) =21225962235a(21) =73014570280a(22) =250701169712a(23) =862559095665
External references
- oeis: A298316