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 A162988 #3 Mar 30 2012 19:00:16 %S A162988 1,2,2,3,3,3,4,4,4,4,4,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7, %T A162988 7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9, %U A162988 9,9,9,9,9,9,9,9,9,9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10 %N A162988 n appears A008578(n) times. %F A162988 a(n) ~ 2 sqrt(n / log n) %K A162988 nonn %O A162988 1,2 %A A162988 _Jaroslav Krizek_, Jul 19 2009 %E A162988 Formula and more terms from _Charles R Greathouse IV_, Nov 02 2009 %E A162988 Correction for change of offset in A158611 and A008578 in Aug 2009 _Jaroslav Krizek_, Jan 27 2010