177167domain: NPropertiesPrimalityPrimeyesAppears in sequencesNext prime after 3^n.at n=11A014211Primes of the form 3^k + 20.at n=8A102904Smallest prime >= 3^n.at n=11A104081Consider primes p and q such that p = 3^k + 20 and q = 3^(k+1) + 20 for some k; sequence gives values of q.at n=5A108258Partial sums of A255745.at n=32A255766Prime numbersat n=16098