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A042041 Denominators of continued fraction convergents to sqrt(544). 2
1, 3, 34, 105, 4864, 14697, 166531, 514290, 23823871, 71985903, 815668804, 2518992315, 116689315294, 352586938197, 3995145635461, 12338023844580, 571544242486141, 1726970751303003, 19568222506819174, 60431638271760525, 2799423583007803324 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0,0,0,4898,0,0,0,-1).

FORMULA

G.f.: -(x^2-3*x-1)*(x^4+35*x^2+1) / ((x^4-70*x^2+1)*(x^4+70*x^2+1)). - Colin Barker, Nov 30 2013

MATHEMATICA

Denominator[Convergents[Sqrt[544], 40]] (* Vincenzo Librandi, Jan 12 2014 *)

CROSSREFS

Cf. A042040, A040520.

Sequence in context: A086488 A195021 A274871 * A180775 A243011 A279130

Adjacent sequences:  A042038 A042039 A042040 * A042042 A042043 A042044

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Nov 30 2013

STATUS

approved

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Last modified February 22 23:03 EST 2019. Contains 320411 sequences. (Running on oeis4.)