cp's OEIS Frontend

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.

A041390 Numerators of continued fraction convergents to sqrt(210).

This page as a plain text file.
%I A041390 #14 Jul 09 2025 00:45:19
%S A041390 14,29,826,1681,47894,97469,2777026,5651521,161019614,327690749,
%T A041390 9336360586,19000411921,541347894374,1101696200669,31388841513106,
%U A041390 63879379226881,1820011459865774,3703902298958429,105529275830701786,214762453960362001,6118877986720837814
%N A041390 Numerators of continued fraction convergents to sqrt(210).
%H A041390 Vincenzo Librandi, <a href="/A041390/b041390.txt">Table of n, a(n) for n = 0..200</a>
%H A041390 <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (0,58,0,-1).
%F A041390 G.f.: -(x+1)*(x^2-15*x-14) / (x^4-58*x^2+1). - _Colin Barker_, Nov 07 2013
%t A041390 Numerator[Convergents[Sqrt[210], 30]] (* _Vincenzo Librandi_, Nov 01 2013 *)
%Y A041390 Cf. A041391.
%K A041390 nonn,cofr,frac,easy
%O A041390 0,1
%A A041390 _N. J. A. Sloane_
%E A041390 More terms from _Colin Barker_, Nov 07 2013