1136357domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p of the form 4*n^2 + 1 such that 4*p^2+1 is also prime.at n=14A121834Primes of the form 81n^2 - 90n + 26.at n=12A144571Primes of the form 1+A162143(k).at n=18A164517Prime numbersat n=88350