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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
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
a(n) = 4898*a(n-4) - a(n-8). - Wesley Ivan Hurt, Sep 05 2022
MATHEMATICA
Denominator[Convergents[Sqrt[544], 40]] (* Vincenzo Librandi, Jan 12 2014 *)
CROSSREFS
Sequence in context: A195021 A344429 A274871 * A180775 A243011 A279130
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 30 2013
STATUS
approved

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Last modified June 15 18:41 EDT 2024. Contains 373410 sequences. (Running on oeis4.)