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 A051807 #8 Feb 13 2017 21:06:57 %S A051807 5,15,35,50,51,53,57,75,105,115,135,150,151,153,157,175,255,305,315, %T A051807 350,351,355,357,359,375,395,500,501,503,507,510,511,513,517,525,530, %U A051807 531,535,537,539,552,553,556,557,565,570,571 %N A051807 Numbers with nonzero multiplicative digital root 5. %H A051807 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %F A051807 A051802^-1(5) %Y A051807 Part of histogram of A051802. %K A051807 nonn,easy,base %O A051807 1,1 %A A051807 _Dan Hoey_, Dec 09 1999