Number of (n+3)X(2+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
A230751
Number of (n+3)X(2+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.
Terms
- a(0) =192a(1) =5544a(2) =178608a(3) =4838400a(4) =129731328a(5) =3423037464a(6) =90231813552
External references
- oeis: A230751