This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A364635 #14 Sep 10 2023 15:29:56 %S A364635 7,31,113,359,1129,3089,8467,24281,64717,175141,481447,1304713, %T A364635 3524621,9560081,25874773,70119967,189969349,514282961,1394199299, %U A364635 3779856617,10246936393,27788573801,75370126379,204475055189,554805820519,1505578026059,4086199303001,11091501632977 %N A364635 a(n) is the largest prime p such that p/PrimePi(p) < n. %C A364635 Sequence begins at a(2) because there exists no prime p such that p/PrimePi(p) < 1. %F A364635 a(n) = prime(A102281(n)). - _Michel Marcus_, Sep 10 2023 %e A364635 a(4) = 113 because 113/PrimePi(113) = 113/30 = 3.766... but p/PrimePi(p) >= 4 for all primes > 113. %Y A364635 Cf. A000720, A038625, A062743, A102281. %K A364635 nonn %O A364635 2,1 %A A364635 _Jon E. Schoenfield_, Sep 09 2023