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A042709 Denominators of continued fraction convergents to sqrt(884). 2
1, 1, 3, 4, 11, 15, 41, 56, 3289, 3345, 9979, 13324, 36627, 49951, 136529, 186480, 10952369, 11138849, 33230067, 44368916, 121967899, 166336815, 454641529, 620978344, 36471385481, 37092363825, 110656113131, 147748476956, 406153067043, 553901543999 (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 (0,0,0,0,0,0,0,3330,0,0,0,0,0,0,0,-1).

FORMULA

G.f.: -(x^2-x-1)*(x^4-2*x^3+2*x^2+2*x+1)*(x^4+4*x^2+1)*(x^4+2*x^3+2*x^2-2*x+1) / (x^16-3330*x^8+1). - Colin Barker, Nov 19 2013

MATHEMATICA

Denominator[Convergents[Sqrt[884], 30]] (* Vincenzo Librandi, Nov 17 2011 *)

CROSSREFS

Cf. A042708, A040854.

Sequence in context: A041405 A042483 A002530 * A231067 A042327 A046114

Adjacent sequences:  A042706 A042707 A042708 * A042710 A042711 A042712

KEYWORD

nonn,cofr,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Nov 19 2013

STATUS

approved

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Last modified February 20 09:15 EST 2019. Contains 320325 sequences. (Running on oeis4.)