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 A091841 #14 Aug 05 2018 12:02:14 %S A091841 1,3,9,32,119,463,1837,7332,29307,117203,468785 %N A091841 Records in A091840. %C A091841 Each term is roughly 4 times the previous term. %H A091841 F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL10/Sloane/sloane55.html">A Slow-Growing Sequence Defined by an Unusual Recurrence</a>, J. Integer Sequences, Vol. 10 (2007), #07.1.2. %H A091841 F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [<a href="http://neilsloane.com/doc/gijs.pdf">pdf</a>, <a href="http://neilsloane.com/doc/gijs.ps">ps</a>]. %H A091841 <a href="/index/Ge#Gijswijt">Index entries for sequences related to Gijswijt's sequence</a> %Y A091841 Cf. A091787, A090822, A091579, A091840. %K A091841 nonn,more %O A091841 0,2 %A A091841 _N. J. A. Sloane_, Mar 10 2004 %E A091841 a(8)-a(10) from _John P. Linderman_, May 30 2004