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A041637 Denominators of continued fraction convergents to sqrt(337). 2
1, 2, 3, 11, 14, 165, 344, 1541, 1885, 7196, 23473, 30669, 146149, 322967, 3698786, 4021753, 15764045, 19785798, 55335641, 2011868874, 4079073389, 6090942263, 22351900178, 28442842441, 335223167029, 698889176499, 3130779873025, 3829669049524, 14619787021597 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

a(n) = 2031654672*a(n-19) + a(n-38) for n>37. [Bruno Berselli, Dec 22 2013]

MATHEMATICA

Denominator[Convergents[Sqrt[337], 30]] (* Harvey P. Dale, Dec 08 2011 *)

CROSSREFS

Cf. A041636.

Sequence in context: A158355 A041235 A036972 * A042235 A050587 A293026

Adjacent sequences:  A041634 A041635 A041636 * A041638 A041639 A041640

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Dec 22 2013

STATUS

approved

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Last modified September 21 07:08 EDT 2019. Contains 327253 sequences. (Running on oeis4.)