48336171

Appears in sequences

• Number of rooted simplicial 3-polytopes with n+3 nodes; or rooted 3-connected triangulations with 2n+2 faces; or rooted 3-connected trivalent maps with 2n+2 vertices.at n=11A000260
• a(n) = 4*binomial(4*n+11, n)/(n+4).at n=8A006635
• Erroneous version of A000260.at n=10A362102