Number of 5Xn 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302215
Number of 5Xn 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =6a(2) =147a(3) =18a(4) =448a(5) =281a(6) =1868a(7) =6036a(8) =16344a(9) =110672a(10) =332791a(11) =1836532a(12) =7975778a(13) =32963967a(14) =175388042a(15) =679563302a(16) =3615591697a(17) =15049212425a(18) =73677748194a(19) =333969856156
External references
- oeis: A302215