54521

Properties

Appears in sequences

• Primes of the form p^2 + p - 1 when p is prime.at n=21A053185
• Number of odd composites between 2^n and 2^(n + 1).at n=17A094812
• a(n)*a(n-11) = a(n-1)*a(n-10)+a(n-5)+a(n-6) with initial terms a(1)=...=a(11)=1.at n=33A133848
• Number of cubefree integers not exceeding 2^n.at n=16A160113
• Primes of the form n^2 + phi(n).at n=35A264771
• Numbers k such that k!4 + 2^10 is prime, where k!4 = k!!!! is the quadruple factorial number (A007662).at n=34A291351
• Prime numbersat n=5548