Smallest number m such that Sum_{k=1..m} 1/prime(k) >= n/5.
A103597
Smallest number m such that Sum_{k=1..m} 1/prime(k) >= n/5.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =5a(6) =7a(7) =13a(8) =25a(9) =59a(10) =170a(11) =644a(12) =3402a(13) =27178a(14) =361139a(15) =8947437a(16) =474314304
External references
- oeis: A103597