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 A010854 #35 Jul 27 2025 18:54:24
%S A010854 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,
%T A010854 15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,
%U A010854 15,15,15,15,15,15,15,15
%N A010854 Constant sequence: a(n) = 15.
%C A010854 Also continued fraction expansion of (15+sqrt(229))/2. - _Bruno Berselli_, Sep 09 2011
%H A010854 Charles Cratty, Samuel Erickson, Frehiwet Negass, Lara Pudwell, <a href="http://www.valpo.edu/mathematics-statistics/files/2015/07/Pattern-Avoidance-in-Double-Lists.pdf">Pattern Avoidance in Double Lists</a>, preprint, 2015.
%H A010854 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H A010854 <a href="/index/Di#divseq">Index to divisibility sequences</a>
%H A010854 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F A010854 G.f.: 15/(1-x). - _Bruno Berselli_, Sep 09 2011
%F A010854 E.g.f.: 15*e^x. - _Vincenzo Librandi_, Jan 20 2012
%t A010854 Table[15,{80}] (* _Vincenzo Librandi_, Jan 20 2012 *)
%K A010854 nonn,easy
%O A010854 0,1
%A A010854 _N. J. A. Sloane_