Search: id:A038607 Results 1-1 of 1 results found. %I A038607 %S A038607 2,11,37,127,347,1087,3109,8419,24317,64553,175211,480881,1304707, %T A038607 3523901,9558533,25874843,70115473,189961529,514272533,1394193607, %U A038607 3779851091,10246935679,27788566133,75370121191,204475052401 %N A038607 a(n) is the smallest prime number k such that k > n*pi(k), where pi(k) denotes the prime counting function. %F A038607 a(n) = prime(A038606(n)) = A000040(A038606(n)). %e A038607 For n=3, the 12th prime (37) is the first one satisfying p(k) > 3k. %t A038607 k = 1; Do[ While[ Prime[k] < n*k, k++ ]; Print[Prime[k]], {n, 1, 25} ] %Y A038607 Cf. A038606, A038623. %Y A038607 Sequence in context: A152819 A140561 A140553 this_sequence A079009 A097651 A059673 %Y A038607 Adjacent sequences: A038604 A038605 A038606 this_sequence A038608 A038609 A038610 %K A038607 nonn,nice %O A038607 1,1 %A A038607 Vasiliy Danilov (danilovv(AT)usa.net) 1998 Jul %E A038607 Extended by Robert G. Wilson v (rgwv(AT)rgwv.com) and Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 01 2004 Search completed in 0.001 seconds