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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 Vincenzo Librandi, Table of n, a(n) for n = 0..200 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 Cf. A042926, A040963. Sequence in context: A037639 A319428 A000176 * A292533 A140305 A229019 Adjacent sequences: A042924 A042925 A042926 * A042928 A042929 A042930 KEYWORD nonn,frac,easy AUTHOR N. J. A. Sloane 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.)