182040

Appears in sequences

• Number of diagonal dissections of an n-gon into 3 regions.at n=36A033275
• Number of rooted trees with n nodes with every leaf at height 4.at n=26A048809
• a(n) = 40*(200*n - 49).at n=22A157652
• a(n) = (n-1)*(n-2)*(n+3)*(n+2)/12.at n=38A299120