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 A158486 #3 Mar 30 2012 18:52:03 %S A158486 10,5,15,20,30,25,35,45,40,50,60,55,65,70,75,80,90,85,95,100,105,110, %T A158486 120,115,125,130,140,135,150,145,155,160,165,175,170,180,195,185,190, %U A158486 200,210,225,205,215,220,230,240,235,245,250,255,260,275,265,270,285,280,290,300 %N A158486 Multiples of 5 in the EKG sequence A064413. %C A158486 See A158814 for a survey of other multiples in the EKG sequence. %F A158486 a(n)=5*A158504(n). %K A158486 nonn %O A158486 1,1 %A A158486 _Paul Curtz_, Mar 20 2009 %E A158486 Edited and extended by _R. J. Mathar_, Apr 04 2009