Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318220
Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =16a(2) =413a(3) =13722a(4) =407121a(5) =12458503a(6) =381426500a(7) =11669008142a(8) =357007586982
External references
- oeis: A318220