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 A168045 #11 Mar 09 2022 10:51:13 %S A168045 1,3,6,9,12,14,16,18,20,23,25,27,29,31,34,36,38,40,43,45,47,49,51,53, %T A168045 56,58,60,62,64,66,69,71,73,75,78,80,82,84,87,89,91,93,95,98,100,102, %U A168045 104,106,108,111,113,115,117,119,121,124,126,128,130,133,135,137,139,141 %N A168045 a(n) = A167707(n) + n. %F A168045 a(n) = 2n + n / log n + O(n / (log n)^2). - _Charles R Greathouse IV_, May 25 2011 %Y A168045 Cf. A167707. %K A168045 nonn,less %O A168045 1,2 %A A168045 _Juri-Stepan Gerasimov_, Nov 17 2009