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A042927 Denominators of continued fraction convergents to sqrt(995). 2
1, 1, 2, 11, 46, 149, 1834, 5651, 24438, 127841, 152279, 280120, 17519719, 17799839, 35319558, 194397629, 812910074, 2633127851, 32410444286, 99864460709, 431868287122, 2259205896319, 2691074183441, 4950280079760, 309608439128561, 314558719208321 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17671998, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 17671998*a(n-12) - a(n-24) for n>23. - Vincenzo Librandi, Feb 01 2014
MATHEMATICA
Denominator[Convergents[Sqrt[995], 30]] (* Harvey P. Dale, May 06 2012 *)
CROSSREFS
Sequence in context: A037639 A319428 A000176 * A292533 A140305 A229019
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Feb 01 2014
STATUS
approved

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Last modified February 29 02:52 EST 2024. Contains 370401 sequences. (Running on oeis4.)