1533331

Properties

Appears in sequences

• a(n) = (Sum_{k=1..A047380(n)} k^6) / (Sum_{k=1..A047380(n)} k^2).at n=24A133180
• a(n) = 1 + 27n + 252n^2 + 882n^3 + 1029n^4.at n=6A134158
• Prime numbersat n=116491