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 A042051 Denominators of continued fraction convergents to sqrt(549). 2
 1, 2, 7, 65, 722, 787, 1509, 2296, 3805, 17516, 21321, 38837, 60158, 98995, 1149103, 10440922, 32471869, 75384660, 3500166229, 7075717118, 24727317583, 229621575365, 2550564646598, 2780186221963, 5330750868561, 8110937090524, 13441687959085, 61877688926864 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 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, 0, 0, 0, 0, 0, 0, 3532638098, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1). FORMULA a(n) = 3532638098*a(n-18) - a(n-36). - Wesley Ivan Hurt, Jun 26 2022 MATHEMATICA Denominator[Convergents[Sqrt[549], 30]] (* Vincenzo Librandi, Jan 13 2014 *) CROSSREFS Cf. A042050. Sequence in context: A046855 A179043 A116985 * A196925 A246865 A133237 Adjacent sequences: A042048 A042049 A042050 * A042052 A042053 A042054 KEYWORD nonn,frac,easy AUTHOR N. J. A. Sloane EXTENSIONS More terms from Vincenzo Librandi, Jan 13 2014 STATUS approved

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Last modified September 27 01:21 EDT 2023. Contains 365669 sequences. (Running on oeis4.)