Number of nX6 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically or antidiagonally, and top left element zero.
A232946
Number of nX6 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, vertically or antidiagonally, and top left element zero.
Terms
- a(0) =243a(1) =19601a(2) =1905737a(3) =190528543a(4) =19245039957
External references
- oeis: A232946