256199domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that 3^k - 2^k is prime.at n=22A057468Exactly one of 3^n +- 2^n is prime.at n=24A174326Numbers k such that 3^k + (-2)^k is prime.at n=24A283653Prime numbersat n=22544