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%I #11 Jul 27 2022 17:39:52
%S 0,6,39,327,3107,31616,337175,3715296,41913438,481269293,5602858280,
%T 65950014530,783308042567,9373678643933,112887433941997,
%U 1366927164653291,16630083791845124,203159420763091245,2490934476522213505,30640433478257977941
%N Number of primes <= 13^n.
%H <a href="/index/Pri#primepop">Index entries for sequences related to numbers of primes in various ranges</a>
%t Table[ PrimePi[ 13^n ], {n, 0, 12} ]
%Y Cf. A006880.
%K nonn
%O 0,2
%A _Robert G. Wilson v_, Dec 04 2000
%E a(13)-a(19) from _Henri Lifchitz_, Aug 25 2014
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