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A042627 Denominators of continued fraction convergents to sqrt(843). 2
1, 29, 1683, 48836, 2834171, 82239795, 4772742281, 138491765944, 8037295167033, 233220051609901, 13534800288541291, 392742428419307340, 22792595648608367011, 661378016238061950659, 38382717537456201505233, 1113760186602467905602416 (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, 1684, 0, -1).

FORMULA

G.f.: -(x^2-29*x-1) / (x^4-1684*x^2+1). - Colin Barker, Dec 20 2013

MATHEMATICA

Denominator[Convergents[Sqrt[843], 30]] (* Vincenzo Librandi, Jan 26 2014 *)

CROSSREFS

Cf. A042626, A040813.

Sequence in context: A091994 A126555 A028478 * A042624 A190826 A045688

Adjacent sequences:  A042624 A042625 A042626 * A042628 A042629 A042630

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Additional term from Colin Barker, Dec 20 2013

STATUS

approved

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Last modified July 26 20:17 EDT 2021. Contains 346294 sequences. (Running on oeis4.)