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 A080228 #10 Jan 26 2023 16:09:32
%S A080228 0,1,2,5,8,10,11,12,15,18,20,21,22,25,28,50,51,52,55,58,80,81,82,85,
%T A080228 88,100,101,102,105,108,110,111,112,115,118,120,121,122,125,128,150,
%U A080228 151,152,155,158,180,181,182,185,188,200,201,202,205,208,210,211,212,215
%N A080228 Numbers containing the digits 0, 1, 2, 5 or 8 only.
%C A080228 Numbers that are still numbers when viewed in a mirror, writing 2 and 5 as in calculator displays.
%D A080228 P. Giannopoulos, The Brainteasers, unpublished
%H A080228 Harvey P. Dale, <a href="/A080228/b080228.txt">Table of n, a(n) for n = 1..3000</a>
%t A080228 FromDigits/@Tuples[{0,1,2,5,8},3] (* _Harvey P. Dale_, Sep 10 2017 *)
%Y A080228 Cf. A080792, A053701.
%K A080228 easy,nonn,base
%O A080228 1,3
%A A080228 Giannopoulos P. (pgiannop1(AT)yahoo.com), Mar 17 2003
%E A080228 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
%E A080228 Offset corrected by _Arkadiusz Wesolowski_, Sep 23 2011