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A103594
Smallest prime p such that Sum_{primes q <= p} 1/q >= n/3.
0
2, 3, 5, 13, 53, 277, 2741, 64663, 5195977, 2358926351, 12041724518809, 1801241230056600523
OFFSET
1,1
MATHEMATICA
Table[m = 1; s = 0; While[(s = s + 1/Prime[m]) < n/3, m++];
Prime[m], {n, 1, 10}] (* Robert Price, Mar 27 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(10) from Robert Price, Dec 10 2013
a(11) and a(12) copied from A103600(22) and A016088(4), respectively, by Jon E. Schoenfield, Feb 01 2020
STATUS
approved