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A041719
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Denominators of continued fraction convergents to sqrt(379).
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2
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1, 2, 15, 47, 109, 265, 1699, 20653, 22352, 110061, 132413, 242474, 374887, 1367135, 5843427, 112392248, 455412419, 1478629505, 1934041924, 3412671429, 5346713353, 24799524841, 30146238194, 386554383169, 2349472537208, 5085499457585, 12520471452378
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OFFSET
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0,2
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LINKS
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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, 0, 0, 0, 0, 0, 0, 0, 0, 25882394441081380, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
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FORMULA
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a(n) = 25882394441081380*a(n-30) - a(n-60) for n>59. - Vincenzo Librandi, Dec 23 2013
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MAPLE
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convert(sqrt(379), confrac, 30, cvgts): denom(cvgts); # Wesley Ivan Hurt, Dec 23 2013
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,frac,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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