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A042337 Denominators of continued fraction convergents to sqrt(695). 2
1, 2, 3, 11, 113, 350, 463, 1276, 66815, 134906, 201721, 740069, 7602411, 23547302, 31149713, 85846728, 4495179569, 9076205866, 13571385435, 49790362171, 511475007145, 1584215383606, 2095690390751, 5775596165108, 302426690976367, 610628978117842 (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 (0,0,0,0,0,0,0,67278,0,0,0,0,0,0,0,-1).

FORMULA

G.f.: -(x^14 -2*x^13 +3*x^12 -11*x^11 +113*x^10 -350*x^9 +463*x^8 -1276*x^7 -463*x^6 -350*x^5 -113*x^4 -11*x^3 -3*x^2 -2*x -1) / (x^16 -67278*x^8 +1). - Colin Barker, Dec 08 2013

MATHEMATICA

Denominator[Convergents[Sqrt[695], 30]] (* Vincenzo Librandi, Jan 20 2014 *)

CROSSREFS

Cf. A042336, A040668.

Sequence in context: A079853 A050721 A058114 * A061482 A177854 A273598

Adjacent sequences:  A042334 A042335 A042336 * A042338 A042339 A042340

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 08 2013

STATUS

approved

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Last modified December 6 13:24 EST 2021. Contains 349563 sequences. (Running on oeis4.)