40759

Properties

Appears in sequences

• Numbers k such that 3*2^k + 35 is prime.at n=52A059759
• Class 7- primes.at n=25A081426
• a(n) = smallest prime q > a(n-1) such that 2*prime(n)*q^prime(n)+1 is also prime.at n=12A225747
• G.f.: 1/(1 - q/G(0)) where G(k) = 1 - q^(k+1) / (1 - q^(k+1) / G(k+1) ).at n=12A227045
• Primes p that remain prime through 3 iterations of function f(x) = 6x - 1.at n=36A289109
• Number of rooted plane trees where every branch that has a predecessor (a branch directly to its left and emanating from the same root) has at least as many leaves as its predecessor.at n=12A304173
• Slowest increasing sequence of primes such that a(n - 1) + a(n) and a(n - 1)^2 + a(n)^2 are both semiprimes, with a(1)=2.at n=28A365050
• Prime numbersat n=4267