Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302263
Number of nX6 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) =32a(1) =1405a(2) =19191a(3) =284428a(4) =4289139a(5) =64975832a(6) =982041385a(7) =14850510984a(8) =224584502616
External references
- oeis: A302263