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 A091840 #16 Aug 19 2025 09:35:10 %S A091840 1,1,3,1,1,3,1,1,9,1,1,3,1,1,3,1,1,9,1,1,3,1,1,3,1,1,32,1,3,1,1,3,1,1, %T A091840 9,1,1,3,1,1,3,1,1,9,1,1,3,1,1,3,1,1,32,1,3,1,1,3,1,1,9,1,1,3,1,1,3,1, %U A091840 1,9,1,1,3,1,1,3,1,1,119,1,1,3,1,1,3,1,1,9,1,1,3,1,1,3,1,1,9,1 %N A091840 Lengths of suffix blocks associated with A091787. %H A091840 Fokko J. van de Bult, Dion C. Gijswijt, John P. Linderman, N. J. A. Sloane, and Allan R. 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 A091840 Fokko J. van de Bult, Dion C. Gijswijt, John P. Linderman, N. J. A. Sloane, and Allan R. 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 A091840 Levi van de Pol, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL28/Vandepol/vandepol5.html">The Growth Rate of Gijswijt's Sequence</a>, J. Int. Seq. (2025) Vol. 28, Art. No. 25.4.6. %H A091840 <a href="/index/Ge#Gijswijt">Index entries for sequences related to Gijswijt's sequence</a> %Y A091840 Cf. A091787, A090822, A091579, A091841. %K A091840 nonn %O A091840 1,3 %A A091840 _N. J. A. Sloane_, Mar 10 2004