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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
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2031654672, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
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
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 22 2013
STATUS
approved