163010

Appears in sequences

• Product of the first n 3-almost primes, divided by product of the first n primes, rounded down.at n=17A122032
• L.g.f.: Sum_{n>=1} a(n)*x^n/n = Sum_{n>=1} x^n/n * exp( Sum_{k>=1} 3*a(n*k)*x^(n*k)/k ).at n=6A203267