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A041855 Denominators of continued fraction convergents to sqrt(449). 2
1, 5, 16, 21, 37, 58, 443, 501, 2948, 15241, 18189, 142564, 160753, 303317, 464070, 1695527, 8941705, 377247137, 1895177390, 6062779307, 7957956697, 14020736004, 21978692701, 167871584911, 189850277612, 1117122972971, 5775465142467, 6892588115438 (list; graph; refs; listen; history; text; internal format)
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, 378942664, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 378942664*a(n-17) + a(n-34) for n>33. - Vincenzo Librandi, Dec 26 2013
MATHEMATICA
Denominator[Convergents[Sqrt[449], 30]] (* Vincenzo Librandi, Dec 26 2013 *)
CROSSREFS
Cf. A041854.
Sequence in context: A191264 A077469 A022140 * A030691 A041107 A042603
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Dec 26 2013
STATUS
approved

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)