63391domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrime(prime(n)) when prime(prime(n)) and n are twin primes.at n=26A087394G.f. satisfies: x = A(x) * (1 - A(x)) / (1 - A(x) - A(x)^3) such that A(0) = 1.at n=10A243156Prime numbersat n=6353