Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303258
Number of 7Xn 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1172a(2) =28680a(3) =349273a(4) =11394429a(5) =306224454a(6) =7600681910a(7) =204093228252
External references
- oeis: A303258