249503domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 30*p-1, 30*p+1 and 36*p-1, 36*p+1 are twin primes.at n=19A138696Primes p of the form p^2 + q - 1 where p < q are consecutive primes.at n=24A242231Prime numbersat n=22005