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A042369 Denominators of continued fraction convergents to sqrt(711). 2
1, 1, 2, 3, 158, 161, 319, 480, 25279, 25759, 51038, 76797, 4044482, 4121279, 8165761, 12287040, 647091841, 659378881, 1306470722, 1965849603, 103530650078, 105496499681, 209027149759, 314523649440, 16564256920639, 16878780570079, 33443037490718 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 160, 0, 0, 0, -1).

FORMULA

G.f.: -(x^2-x-1)*(x^4+3*x^2+1) / (x^8-160*x^4+1). - Colin Barker, Dec 09 2013

MATHEMATICA

Denominator[Convergents[Sqrt[711], 30]] (* Vincenzo Librandi, Jan 20 2014 *)

CROSSREFS

Cf. A042368, A040684.

Sequence in context: A042073 A124236 A115231 * A042701 A246488 A106715

Adjacent sequences:  A042366 A042367 A042368 * A042370 A042371 A042372

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 09 2013

STATUS

approved

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Last modified December 19 11:23 EST 2018. Contains 318246 sequences. (Running on oeis4.)