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A042220
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Numerators of continued fraction convergents to sqrt(636).
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2
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25, 101, 126, 227, 807, 2648, 32583, 100397, 333774, 434171, 767945, 3505951, 176065495, 707767931, 883833426, 1591601357, 5658637497, 18567513848, 228468803673, 703973924867, 2340390578274, 3044364503141
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OFFSET
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0,1
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COMMENTS
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Conjecture: satisfies a linear recurrence having signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7011902, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1). - Harvey P. Dale, May 08 2022
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..200
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MATHEMATICA
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Numerator[Convergents[Sqrt[636], 30]] (* Harvey P. Dale, Sep 17 2013 *)
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CROSSREFS
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Cf. A042221.
Sequence in context: A309779 A356533 A221274 * A114254 A042222 A158551
Adjacent sequences: A042217 A042218 A042219 * A042221 A042222 A042223
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KEYWORD
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nonn,cofr,frac,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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