872747domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes from merging of 6 successive digits in decimal expansion of Catalan's constant.at n=15A104920Primes p such that (p^2 + 5)/6, (p^4 + 5)/6 and (p^6 + 5)/6 are prime.at n=9A253939Prime numbersat n=69296