98111316047domain: NAppears in sequencesa(n) = 2^p + 3^p + 5^p + 7^p where p = prime(n).at n=5A098139a(n) = 7^n + 5^n + 3^n + 2^n.at n=13A135168Sum of the thirteenth powers of the first n primes.at n=3A236221