Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A320370
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =8192a(2) =569608a(3) =37398884a(4) =2486026176a(5) =165355751224
External references
- oeis: A320370