Number of 6Xn 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
A231289
Number of 6Xn 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =2722a(3) =278758a(4) =56442770a(5) =12128733980
External references
- oeis: A231289