9559783domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p+2 = 0 (mod pi(p)) and pi(p)=A000720(p) is prime.at n=2A156150Primes p such that p+2 = 0 (mod pi(p)), where pi(p)=A000720(p) is the prime counting function.at n=3A156151Prime numbersat n=637319