156925970179domain: NAppears in sequencesa(n) = 1^n + 2^n + ... + 5^n.at n=16A001552a(n) = Sum_{d|n} tau(d)^n, where tau(n) is the number of divisors of n.at n=15A344080a(n) = Sum_{k=0..floor(n/3)} k^n.at n=16A352982