Number of corona for a hexagon of edge n with diamonds of side 1.

A380346

Number of corona for a hexagon of edge n with diamonds of side 1.

Terms

    a(0) =18a(1) =198a(2) =1298a(3) =5778a(4) =19602a(5) =54758a(6) =132498a(7) =287298a(8) =571538a(9) =1060902

External references