34798

Appears in sequences

• Numbers k such that 161*2^k-1 is prime.at n=23A050832
• Numbers k for which 10k + 1, 10k + 3, 10k + 7, 10k + 9 and 10k + 13 are primes.at n=18A178084
• Sum_{0<j<k<=n} P(k)-P(j), where P(j)=A065091(j) is the j-th odd prime.at n=34A206803
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2>x^2+y^2+z^2.at n=23A212094
• Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors.at n=37A217018
• Numbers k such that 32 * 3^k - 1 is prime.at n=23A387197