Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300688
Number of nX7 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =981a(2) =37100a(3) =1242620a(4) =42006289a(5) =1431755828a(6) =48809162176
External references
- oeis: A300688