4533073domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that ((1+I)^n+1)/(2+I) is a Gaussian prime.at n=43A124112Primes p such that (2^p + 2^((p+1)/2) + 1)/5 is prime.at n=16A124165Prime numbersat n=318076