132623

Properties

Appears in sequences

• Primes p such that p^4 + p - 1, p^4 + p^2 - 1, p^4 + p^3 - 1 are also prime.at n=11A226938
• Primes p such that if q and r are the next two primes, 6*q-r, 6*q-p, 6*q+p and 6*q+r are all prime.at n=32A351636
• a(1) = 1. For n >= 2, add to a(n-1) its prime or nonprime index to obtain a(n).at n=24A355975
• Prime numbersat n=12379