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A042331 Denominators of continued fraction convergents to sqrt(692). 2
1, 3, 10, 13, 36, 49, 85, 1069, 1154, 2223, 5600, 7823, 29069, 95030, 4970629, 15006917, 49991380, 64998297, 179987974, 244986271, 424974245, 5344677211, 5769651456, 11114328667, 27998308790, 39112637457, 145336221161, 475121300940, 24851643870041 (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, 0, 0, 0, 0, 0, 0, 4999698, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

a(n) = 4999698*a(n-14) - a(n-28) for n>27. - Vincenzo Librandi, Jan 20 2014

MATHEMATICA

Denominator[Convergents[Sqrt[692], 30]] (* Vincenzo Librandi, Jan 20 2014 *)

CROSSREFS

Cf. A042330.

Sequence in context: A041169 A068361 A285181 * A082975 A275432 A041985

Adjacent sequences:  A042328 A042329 A042330 * A042332 A042333 A042334

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 20 2014

STATUS

approved

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Last modified January 27 18:40 EST 2022. Contains 350611 sequences. (Running on oeis4.)