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 A141823 #5 Mar 30 2012 17:27:01 %S A141823 20,28,38,42,90,96,156,164,216,228,252,318,336,350,384,386,442,508, %T A141823 558,770,876,922,978,1014,1155,1170,1410,1450,1692,1870,2052,2370, %U A141823 3618,5052,6234 %N A141823 Integers n>1 such that A141822(n)=4. %C A141823 No other terms below 10^5. %C A141823 Zaremba conjectured that A141832, A141833, A195901, and this sequence form a partition of the integers >1. %C A141823 Is this sequence finite? If so, is it complete? %Y A141823 Cf. A141832, A141833, A141821. %K A141823 nonn,more,hard %O A141823 1,1 %A A141823 _T. D. Noe_, Jul 08 2008, Jul 09 2008 %E A141823 Edited by _Max Alekseyev_, Sep 25 2011