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 A042070 Numerators of continued fraction convergents to sqrt(559). 2
 23, 24, 47, 71, 331, 5036, 5367, 10403, 46979, 57382, 161743, 219125, 1038243, 1257368, 2295611, 35691533, 145061743, 180753276, 325815019, 506568295, 23627956589, 24134524884, 47762481473, 71897006357 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 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, 1013136590, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1). FORMULA a(n) = 1013136590*a(n-20) - a(n-40) for n>39. [Bruno Berselli, Nov 15 2013] MATHEMATICA Numerator[Convergents[Sqrt[559], 30]] (* Vincenzo Librandi, Nov 15 2013 *) CROSSREFS Cf. A042071. Sequence in context: A022393 A042068 A042066 * A042072 A042064 A042062 Adjacent sequences:  A042067 A042068 A042069 * A042071 A042072 A042073 KEYWORD nonn,cofr,frac,easy,less AUTHOR STATUS approved

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Last modified March 18 12:10 EDT 2019. Contains 321283 sequences. (Running on oeis4.)