%I A080126
%S A080126 2623557157654233,5153329362645908,7650011911220803,10125681208311322,
%T A080126 12585956566571620,15034102021263820,17472251499627256,
%U A080126 19901908567967065,22324189231374849,24739954287740860
%N A080126 Number of primes less than n*10^17.
%H A080126 Robert G. Wilson v, <a href="b080126.txt">Table of n, a(n) for n = 1..1000</
               a>
%H A080126 Thomas R. Nicely, <a href="http://www.trnicely.net/index.html">Some Results 
               of Computational Research in Prime Numbers</a>
%H A080126 Tomas Oliveira e Silva, <a href="http://www.ieeta.pt/~tos/primes/pi_15.txt.gz">
               Tables of values of pi(x) and of pi2(x)</a>
%Y A080126 Cf. A038801, A028505, A038812, A038813, A038814, A038815, A038816, A038817, 
               A038818, A038819.
%Y A080126 Cf. A038820, A038821, A080122, A080123, A080124, A080125, A080127, A080128, 
               A080129.
%Y A080126 Sequence in context: A047698 A058445 A132910 this_sequence A104282 A037249 
               A008913
%Y A080126 Adjacent sequences: A080123 A080124 A080125 this_sequence A080127 A080128 
               A080129
%K A080126 nonn
%O A080126 1,1
%A A080126 Robert G. Wilson v (rgwv(AT)rgwv.com) and Jeff Burch (gburch(AT)erols.com), 
               Jan 29 2003