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A042173 Denominators of continued fraction convergents to sqrt(611). 2
1, 1, 3, 4, 7, 32, 71, 103, 277, 1211, 1488, 2699, 6886, 9585, 466966, 476551, 1420068, 1896619, 3316687, 15163367, 33643421, 48806788, 131256997, 573834776, 705091773, 1278926549, 3262944871, 4541871420, 221272773031, 225814644451, 672902061933 (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, 0, 0, 0, 0, 0, 0, 473852, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

a(n) = 473852*a(n-14) - a(n-28) for n>27. - Vincenzo Librandi, Jan 16 2014

MATHEMATICA

Denominator[Convergents[Sqrt[611], 30]] (* Vincenzo Librandi, Jan 16 2014_ *)

CROSSREFS

Cf. A042172.

Sequence in context: A113874 A007677 A042773 * A317811 A046461 A084590

Adjacent sequences:  A042170 A042171 A042172 * A042174 A042175 A042176

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 16 2014

STATUS

approved

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Last modified April 25 12:04 EDT 2019. Contains 322456 sequences. (Running on oeis4.)