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 A098392 #3 Mar 30 2012 18:50:45 %S A098392 2,3,4,6,10,12,15,17,21,27,29,35,39,41,45,51,57,59,65,69,71,77,81,87, %T A098392 95,99,101,105,107,111,125,129,135,137,147,149,155,161,165,171,177, %U A098392 179,189,191,195,197,209,221,225,227,231,237,239,249,254,260,266,268,274,278 %N A098392 Prime(n)-Log2(Log2(prime(n))), where Log2=A000523. %C A098392 a(n) = A000040(n) - A098391(n). %e A098392 a(10) = A000040(10) - A098391(10) = 29 - 2 = 27. %Y A098392 Cf. A098390, A014689, A098386, A098389. %K A098392 nonn %O A098392 1,1 %A A098392 _Reinhard Zumkeller_, Sep 06 2004