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 A092852 #17 Sep 06 2024 15:16:56 %S A092852 2,36,412,4371,45118,460161,4663480,47087659,474329018,4770493824, %T A092852 47924729801,481060418376,4825817782189,48387664042144, %U A092852 484992123875142,4859631205206357,48681601698828085,487571138851821274,4882443976989269954,48884842829781286250,489393391263430721900 %N A092852 Number of composites <= A092802(n). %F A092852 a(n) = A065855(A092802(n)) = A062298(A092802(n)) - 1 = A092802(n) - A000720(A092802(n)) - 1. %e A092852 Up to 10^1 there are 4 composites: 4 + 6 + 8 + 9 = 27. The rounded mean is A092802(1) = floor(27/4) = 7. There are 2 composites below 7: 4 and 6, so a(1) = 2. %Y A092852 Cf. A000720, A062298, A065855, A092802, A092853, A092854. %K A092852 nonn %O A092852 1,1 %A A092852 _Enoch Haga_, Mar 07 2004 %E A092852 a(9)-a(15) from _Max Alekseyev_, Aug 14 2013 %E A092852 a(16)-a(21) calculated using Kim Walisch's primecount and added by _Amiram Eldar_, Sep 05 2024