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 A041103 #21 Jul 09 2025 00:16:44 %S A041103 1,1,3,22,47,69,1013,1082,3177,23321,49819,73140,1073779,1146919, %T A041103 3367617,24720238,52808093,77528331,1138204727,1215733058,3569670843, %U A041103 26203428959,55976528761,82179957720 %N A041103 Denominators of continued fraction convergents to sqrt(59). %H A041103 Vincenzo Librandi, <a href="/A041103/b041103.txt">Table of n, a(n) for n = 0..200</a> %H A041103 <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 1060, 0, 0, 0, 0, 0, -1). %F A041103 a(n) = 1060*a(n-6)-a(n-12). G.f.: -(x^10-x^9+3*x^8-22*x^7+47*x^6-69*x^5-47*x^4-22*x^3-3*x^2-x-1)/(x^12-1060*x^6+1). [_Colin Barker_, Jul 18 2012] %t A041103 Denominator[Convergents[Sqrt[59], 30]] (* _Vincenzo Librandi_, Oct 24 2013 *) %Y A041103 Cf. A010512, A041102. %K A041103 nonn,cofr,frac,easy %O A041103 0,3 %A A041103 _N. J. A. Sloane_