31189

Properties

Appears in sequences

• Least p=prime(k) for which A118123(k)=n.at n=38A117877
• Primes in A126554.at n=9A126555
• Home primes whose homeliness is 4.at n=36A133962
• Primes of the form A177353(n) + 1 sorted with respect to increasing n.at n=37A178178
• Number of partitions of n plus number of divisors of n.at n=38A195364
• Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k occurrences of the string ududu, where u=(1,1), d=(1,-1).at n=47A246188
• Number of Dyck paths of semilength n avoiding the consecutive step pattern UDUDU, where U=(1,1) and D=(1,-1).at n=11A247333
• Numbers that are both prime-indexed primes and lucky-indexed lucky numbers.at n=21A307008
• Primes p such that A001175(p) = (p-1)/6.at n=39A308791
• Prime numbersat n=3361