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A042349 Denominators of continued fraction convergents to sqrt(701). 2
1, 2, 21, 212, 445, 23352, 47149, 494842, 4995569, 10485980, 550266529, 1111019038, 11660456909, 117715588128, 247091633165, 12966480512708, 26180052658581, 274767007098518, 2773850123643761, 5822467254386040, 305542147351717841 (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, 0, 0, 0, 23564, 0, 0, 0, 0, 1).

FORMULA

G.f.: -(x^8-2*x^7+21*x^6-212*x^5+445*x^4+212*x^3+21*x^2+2*x+1) / (x^10+23564*x^5-1). - Colin Barker, Dec 09 2013

MATHEMATICA

Denominator[Convergents[Sqrt[701], 30]] (* Vincenzo Librandi, Jan 20 2014 *)

CROSSREFS

Cf. A042348, A040674.

Sequence in context: A328073 A329318 A037559 * A037495 A024763 A304272

Adjacent sequences:  A042346 A042347 A042348 * A042350 A042351 A042352

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 January 23 07:56 EST 2022. Contains 350510 sequences. (Running on oeis4.)