314717

Appears in sequences

• a(n) = (1/n) * Sum_{d|n} moebius(n/d) * Lucas(d)^5, where Lucas(n) = A000204(n).at n=5A203856
• Composite squarefree numbers n such that p(i)-3 divides n+3, where p(i) are the prime factors of n.at n=16A225703