Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300470
Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =1490a(2) =31106a(3) =759100a(4) =18735889a(5) =462538206a(6) =11408562672a(7) =281433652906
External references
- oeis: A300470