665043081119
domain: N
Appears in sequences
- Smallest prime beginning a complete Cunningham chain of length n (of the first kind).at n=10A005602
- Smallest number whose Sophie Germain degree (see A063377) is n.at n=11A063378
- Smallest prime beginning (through <*2+1> or/and <*2-1>) a complete Cunningham chain (of the first or the second kind) of length n.at n=10A110089
- a(n) is the first prime p such that the longest sequence of primes p = p_1, p_2, ... with |p_{k+1} - 2*p_k| = 1 has length n.at n=10A364091