1602516domain: NAppears in sequencesa(n) = 1^n + 2^n + 3^n.at n=13A001550Sum of 13th powers: a(n) = Sum_{j=0..n} j^13.at n=3A181134a(n) = least number > 1 that equals the sum of the n-th powers of its first k divisors for some k.at n=12A318528