30129

Appears in sequences

• Expansion of e.g.f. of exp(arcsinh(x)/exp(x)).at n=9A013572
• a(n) = prime(x) - pi(x) where x is the least x such that (prime(x+1) - pi(x+1)) - (prime(x) - pi(x)) = n.at n=37A111183
• Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986).at n=9A323930
• Number of partitions of n in which exactly one odd part is repeated and even parts are unrestricted.at n=42A353903