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 A272231 #26 Aug 21 2021 13:23:49 %S A272231 2,2,2,2,2,2,2,2,3,2,2,2,2,3,3,2,3,2,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, %T A272231 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,3,4,3,3,4,4,4,4,4,4,4, %U A272231 4,4,4,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4 %N A272231 a(n) = round(n / pi(n)), where pi(n) is the prime-counting function. %C A272231 This sequence grows slowly; a(n) reaches 10 at n = 39017. %F A272231 a(n) = round(n / pi(n)). %F A272231 a(n) ~ log(n). - _Charles R Greathouse IV_, Apr 30 2016 %t A272231 Table[Round[n/PrimePi@ n], {n, 2, 120}] (* _Michael De Vlieger_, May 20 2016 *) %o A272231 (PARI) n \/ primepi(n) \\ _Charles R Greathouse IV_, Apr 30 2016 %Y A272231 Cf. A000720, A064658, A107609. %K A272231 nonn %O A272231 2,1 %A A272231 _Benjamin Przybocki_, Apr 22 2016