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 A041144 #25 Dec 26 2023 07:02:27 %S A041144 9,163,2943,53137,959409,17322499,312764391,5647081537,101960232057, %T A041144 1840931258563,33238722886191,600137943210001,10835721700666209, %U A041144 195643128555201763,3532412035694297943,63779059771052564737,1151555487914640463209,20791777842234580902499 %N A041144 Numerators of continued fraction convergents to sqrt(82). %H A041144 Vincenzo Librandi, <a href="/A041144/b041144.txt">Table of n, a(n) for n = 0..200</a> %H A041144 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A041144 <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (18,1). %F A041144 From _Philippe Deléham_, Nov 21 2008: (Start) %F A041144 a(n) = 18*a(n-1) + a(n-2), n > 1; a(0)=9, a(1)=163. %F A041144 G.f.: (9+x)/(1-18*x-x^2). (End) %t A041144 CoefficientList[Series[(9 + x)/(1 - 18 x - x^2), {x, 0, 30}], x] (* _Vincenzo Librandi_, Oct 29 2013 *) %Y A041144 Cf. A010533, A041145. %K A041144 nonn,cofr,frac,easy %O A041144 0,1 %A A041144 _N. J. A. Sloane_ %E A041144 More terms from _Colin Barker_, Nov 05 2013