3681131domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = prime(2^n).at n=18A033844Numbers that begin a run of consecutive integers k such that PrimePi(k) divides 2^k.at n=17A073799a(n) = prime(4^n).at n=9A119772(8^n)-th prime.at n=6A11977364^n-th prime.at n=3A119779a(n) = A122111(A225546(n)).at n=66A336321Prime numbersat n=262144