5340060

Appears in sequences

• Numbers n such that sigma(n) = 16*phi(n).at n=22A104903
• Number of dissections of a convex (3n+3)-sided polygon into n pentagons and one triangle (up to equivalence).at n=8A185113
• a(n) = 10 * binomial(3*n+10,n)/(3*n+10).at n=8A233657