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 A010855 #25 Aug 18 2018 21:41:16 %S A010855 16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, %T A010855 16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16, %U A010855 16,16,16,16,16,16,16,16 %N A010855 Constant sequence: a(n) = 16. %H A010855 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A010855 <a href="/index/Di#divseq">Index to divisibility sequences</a> %H A010855 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %F A010855 G.f.: 16/(1-x); e.g.f.: 16*e^x. - _Vincenzo Librandi_, Jan 20 2012 %t A010855 Table[16,{80}] (* _Vincenzo Librandi_, Jan 20 2012 *) %o A010855 (PARI) 16 \\ _Charles R Greathouse IV_, Jan 20 2012 %K A010855 nonn,easy %O A010855 0,1 %A A010855 _N. J. A. Sloane_