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 A091410 #14 Aug 05 2018 16:25:56 %S A091410 1,2,3,7,19,39,95,197,441,883,1771,3543,7103,14213,28559,57119 %N A091410 Values of n such that len_x(n) = 0 in A090822. %C A091410 So far this very nearly doubles at each step. %H A091410 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 A091410 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 A091410 <a href="/index/Ge#Gijswijt">Index entries for sequences related to Gijswijt's sequence</a> %Y A091410 Cf. A090822, A091411. %K A091410 nonn,more %O A091410 1,2 %A A091410 _N. J. A. Sloane_, Mar 04 2004 %E A091410 28559 and 57119 from _Allan Wilks_, Mar 04 2004