11511720

Appears in sequences

• Number of diagonal dissections of a convex (n+8)-gon into n+1 regions.at n=7A033280
• a(n) = (n+1)*(n+2)^3*(n+3)^4*(n+4)^3*(n+5)*(2n+5)*(2n+7)/7257600.at n=6A109124