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A042359 Denominators of continued fraction convergents to sqrt(706). 2
1, 1, 2, 7, 184, 559, 743, 1302, 68447, 69749, 138196, 484337, 12730958, 38677211, 51408169, 90085380, 4735847929, 4825933309, 9561781238, 33511277023, 880854983836, 2676076228531, 3556931212367, 6233007440898, 327673318139063, 333906325579961 (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, 0, 0, 0, 0, 69190, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

G.f.: -(x^14 -x^13 +2*x^12 -7*x^11 +184*x^10 -559*x^9 +743*x^8 -1302*x^7 -743*x^6 -559*x^5 -184*x^4 -7*x^3 -2*x^2 -x -1) / (x^16 -69190*x^8 +1). - Colin Barker, Dec 09 2013

MATHEMATICA

Denominator[Convergents[Sqrt[706], 30]] (* Vincenzo Librandi, Jan 20 2014 *)

CROSSREFS

Cf. A042358, A040679.

Sequence in context: A120381 A260507 A173240 * A015174 A307582 A125610

Adjacent sequences:  A042356 A042357 A042358 * A042360 A042361 A042362

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 June 18 16:07 EDT 2021. Contains 345120 sequences. (Running on oeis4.)