Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300544
Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =450a(2) =18365a(3) =724165a(4) =29114990a(5) =1170734982a(6) =47042626155
External references
- oeis: A300544