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 A098944 #9 Apr 18 2020 00:49:01
%S A098944 8,18,38,58,78,81,83,85,87,88,89,98,118,138,158,178,181,183,185,187,
%T A098944 188,189,198,318,338,358,378,381,383,385,387,388,389,398,518,538,558,
%U A098944 578,581,583,585,587,588,589,598,718,738,758,778,781,783,785,787,788,789
%N A098944 Numbers where 8 is the only even decimal digit.
%C A098944 This is a 10-automatic language. - _Charles R Greathouse IV_, Oct 05 2011
%H A098944 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>
%t A098944 Select[Range[800],DigitCount[#,10,8]>0&&Table[DigitCount[#,10,n],{n,{0,2,4,6}}]=={0,0,0,0}&] (* _Harvey P. Dale_, Mar 22 2015 *)
%o A098944 (Perl) for (0..1000) {
%o A098944 print "$_, " if (/^[135789]*8[135789]*$/)
%o A098944 } # _Charles R Greathouse IV_, Oct 05 2011
%K A098944 base,easy,nonn
%O A098944 1,1
%A A098944 _Eric Angelini_, Oct 21 2004