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 A042223 Denominators of continued fraction convergents to sqrt(637). 2
 1, 4, 21, 46, 67, 247, 314, 561, 7046, 113297, 120343, 353983, 474326, 7943199, 95792714, 103735913, 199528627, 702321794, 901850421, 2506022636, 13431963601, 56233877040, 2825125815601, 11356737139444, 59608811512821, 130574360165086 (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, 0, 0, 0, 0, 2838557779202, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1). MATHEMATICA Denominator[Convergents[Sqrt[637], 30]] (* Vincenzo Librandi, Jan 17 2014 *) CROSSREFS Cf. A042222. Sequence in context: A273847 A306048 A266149 * A317225 A273780 A033569 Adjacent sequences: A042220 A042221 A042222 * A042224 A042225 A042226 KEYWORD nonn,frac,easy AUTHOR EXTENSIONS More terms from Vincenzo Librandi, Jan 17 2014 STATUS approved

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Last modified March 30 19:10 EDT 2023. Contains 361622 sequences. (Running on oeis4.)