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 A042759 #18 Jul 09 2025 03:22:13
%S A042759 1,6,361,2172,130681,786258,47306161,284623224,17124699601,
%T A042759 103032820830,6199093949401,37297596517236,2244054884983561,
%U A042759 13501626906418602,812341669270099681,4887551642527016688,294065440220891100961,1769280192967873622454
%N A042759 Denominators of continued fraction convergents to sqrt(910).
%H A042759 Vincenzo Librandi, <a href="/A042759/b042759.txt">Table of n, a(n) for n = 0..200</a>
%H A042759 <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (0,362,0,-1).
%F A042759 G.f.: -(x^2-6*x-1) / (x^4-362*x^2+1). - _Colin Barker_, Dec 23 2013
%t A042759 Denominator[Convergents[Sqrt[910], 30]] (* _Vincenzo Librandi_, Jan 28 2014 *)
%t A042759 LinearRecurrence[{0,362,0,-1},{1,6,361,2172},20] (* _Harvey P. Dale_, Dec 10 2017 *)
%Y A042759 Cf. A042758, A040879.
%K A042759 nonn,frac,easy
%O A042759 0,2
%A A042759 _N. J. A. Sloane_
%E A042759 More terms from _Colin Barker_, Dec 23 2013