5735737

Appears in sequences

• a(n) = (2 * a(n-3) + a(n-1) * a(n-5)) / a(n-6), a(0) = a(1) = ... = a(5) = 1.at n=27A275175
• Least positive integer k such that Sum_{i=1..k} phi(i) >= 10^n.at n=13A343802