Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301441
Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =2048a(2) =92616a(3) =4543028a(4) =221935656a(5) =10857946336a(6) =531234388944
External references
- oeis: A301441