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A042553 Denominators of continued fraction convergents to sqrt(805). 2
1, 2, 3, 8, 43, 51, 706, 1463, 2169, 23153, 25322, 73797, 984683, 1058480, 6277083, 13612646, 19889729, 53392104, 3009847553, 6073087210, 9082934763, 24238956736, 130277718443, 154516675179, 2138994495770, 4432505666719, 6571500162489, 70147507291609 (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, 0, 3029737282, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 3029737282*a(n-18) - a(n-36) for n>35. - Vincenzo Librandi, Jan 25 2014
MATHEMATICA
Denominator/@Convergents[Sqrt[805], 30] (* Harvey P. Dale, Dec. 11, 2010 *)
CROSSREFS
Sequence in context: A007119 A064794 A127005 * A042139 A118127 A100644
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 25 2014
STATUS
approved

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