Number of n X 6 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

A230612

Number of n X 6 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Terms

    a(0) =0a(1) =30a(2) =2358a(3) =149664a(4) =9244260a(5) =570014364a(6) =35145166536

External references