2180263

Appears in sequences

• a(n) = (Sum_{k=1..A047380(n)} k^6) / (Sum_{k=1..A047380(n)} k^2).at n=27A133180
• a(n) = 373 + 1947*n + 3780*n^2 + 3234*n^3 + 1029*n^4.at n=6A134161
• a(n) = Sum_{d|n} prime(n/d)^d.at n=20A309368