Number of ways to trisect a hexagon with side length n exactly into three identical parts in a triangular lattice.

A268606

Number of ways to trisect a hexagon with side length n exactly into three identical parts in a triangular lattice.

Terms

    a(0) =1a(1) =5a(2) =116a(3) =15785a(4) =11599297a(5) =47212453928

External references