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 A041364 #27 Dec 26 2023 07:42:11 %S A041364 14,393,11018,308897,8660134,242792649,6806854306,190834713217, %T A041364 5350178824382,149995841795913,4205233749109946,117896540816874401, %U A041364 3305308376621593174,92666531086221483273,2597968178790823124818,72835775537229268978177,2041999683221210354513774 %N A041364 Numerators of continued fraction convergents to sqrt(197). %H A041364 Vincenzo Librandi, <a href="/A041364/b041364.txt">Table of n, a(n) for n = 0..200</a> %H A041364 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a> %H A041364 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (28,1). %F A041364 From _Philippe Deléham_, Nov 21 2008: (Start) %F A041364 a(n) = 28*a(n-1) + a(n-2), n > 1; a(0)=14, a(1)=393. %F A041364 G.f.: (14+x)/(1-28*x-x^2). (End) %t A041364 Numerator[Convergents[Sqrt[197], 30]] (* _Vincenzo Librandi_, Nov 01 2013 *) %Y A041364 Cf. A041365. %K A041364 nonn,cofr,frac,easy %O A041364 0,1 %A A041364 _N. J. A. Sloane_ %E A041364 More terms from _Colin Barker_, Nov 07 2013