Number of 7 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302271
Number of 7 X n 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =8192a(2) =126162a(3) =2727755a(4) =49315068a(5) =982041385a(6) =18964765818a(7) =367139778723
External references
- oeis: A302271