Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303019
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =264a(2) =1320a(3) =5299a(4) =27719a(5) =166978a(6) =970892a(7) =5570473a(8) =32810770a(9) =195455605a(10) =1165770354a(11) =6969602036a(12) =41824319546a(13) =251592103931
External references
- oeis: A303019