Number of nX6 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.
A320369
Number of nX6 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) =32a(1) =2048a(2) =80568a(3) =3027408a(4) =114844160a(5) =4358279956a(6) =165355751224
External references
- oeis: A320369