92231
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 61 ones.at n=9A031829
- Least odd number k such that x' = k has n solutions, where x' is the arithmetic derivative (A003415) of x.at n=41A189560
- a(n) is the least number that can be written in exactly n ways as p*q + q*r + p*r where (p,q,r) is an unordered triple of distinct primes.at n=41A356457