77509

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 37.at n=6A031625
• Numbers n such that (2^p + 1)/3 is prime, where p is the n-th prime.at n=39A123176
• Primes q such that (2^p + 1)/3 is prime, where p = Prime[q]; or primes in A123176[n].at n=10A123214
• Partial sums of primes, but with a twist.at n=26A247657
• E.g.f. A(x) satisfies A(x) = exp(-x*A(x)^3) + x.at n=6A379858
• Prime numbersat n=7614