2446097domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form n^2+1 such that (n+2)^2+1 is also prime.at n=19A206328First of two consecutive (primes of the form n^2+1) with no semiprime of the same form between them.at n=30A242109Terms of A002496 that are the average of two distinct terms of A002496.at n=9A327741Prime numbersat n=179418