1357299
domain: N
Appears in sequences
- Consider the first run of composites that contains at least two numbers whose largest prime factor is prime(n), n >= 2. a(n) is the second of these numbers.at n=21A137800
- Integers k such that the equation A034699(k)=x has more than one solution in the range [prevprime(k), nextprime(k)].at n=17A308752