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 A051805 #6 Feb 13 2017 21:06:15 %S A051805 3,13,30,31,56,65,78,87,103,113,130,131,156,165,178,187,235,247,253, %T A051805 274,300,301,310,311,325,352,427,472,506,516,523,532,560,561,605,615, %U A051805 650,651,708,718,724,742,780,781,807,817,870 %N A051805 Numbers with nonzero multiplicative digital root 3. %H A051805 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %F A051805 A051802^-1(3) %Y A051805 Part of histogram of A051802. %K A051805 nonn,easy,base %O A051805 1,1 %A A051805 _Dan Hoey_, Dec 09 1999