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A042223
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Denominators of continued fraction convergents to sqrt(637).
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2
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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
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OFFSET
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0,2
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LINKS
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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).
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MATHEMATICA
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Denominator[Convergents[Sqrt[637], 30]] (* Vincenzo Librandi, Jan 17 2014 *)
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CROSSREFS
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Cf. A042222.
Sequence in context: A273847 A306048 A266149 * A317225 A273780 A033569
Adjacent sequences: A042220 A042221 A042222 * A042224 A042225 A042226
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KEYWORD
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nonn,frac,easy
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AUTHOR
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N. J. A. Sloane
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EXTENSIONS
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More terms from Vincenzo Librandi, Jan 17 2014
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STATUS
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approved
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