Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303043
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =21a(2) =71a(3) =197a(4) =703a(5) =3069a(6) =11079a(7) =39281a(8) =147655a(9) =574771a(10) =2154055a(11) =8024515a(12) =30383341a(13) =115990813a(14) =439167167a(15) =1658045069a(16) =6291314637a(17) =23940047265a(18) =90892145957a(19) =344679542151
External references
- oeis: A303043