198479

Properties

Appears in sequences

• Primes p such that the number of primes q, 5 <= q < p, congruent to 1 mod 3, is two less than the number of such primes congruent to 2 mod 3.at n=41A096453
• Primes of the form p^2 + q^2 + 21, where p and q are consecutive primes.at n=34A229075
• a(n) is the (2^n)-th prime-indexed prime.at n=11A374150
• Prime numbersat n=17863