4371452domain: NAppears in sequencesNumbers that are the sum of 3 positive 11th powers.at n=13A004814Numbers that are the sum of at most 3 positive 11th powers.at n=27A004909a(n) = 1^n + 3^n + 4^n.at n=11A074506a(n) = Sum_{k=1..n} Stirling2(n,k) * (k-1)! * phi(k), where phi = A000010.at n=8A330444