Smallest number m such that Sum_{k=1..m} 1/prime(k) >= n/4.
A103595
Smallest number m such that Sum_{k=1..m} 1/prime(k) >= n/4.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =10a(6) =21a(7) =59a(8) =231a(9) =1413a(10) =15474a(11) =361139a(12) =22347214a(13) =4833601540
External references
- oeis: A103595