370273

Appears in sequences

• a(n) = (Sum_{k=1..A047380(n)} k^6) / (Sum_{k=1..A047380(n)} k^2).at n=17A133180
• a(n) = 13 + 165*n + 756*n^2 + 1470*n^3 + 1029*n^4.at n=4A134159