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A005664
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Denominators of convergents to log_2 3.
(Formerly M1428)
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12
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1, 1, 2, 5, 12, 41, 53, 306, 665, 15601, 31867, 79335, 111202, 190537, 10590737, 10781274, 53715833, 171928773, 225644606, 397573379, 6189245291, 6586818670, 65470613321, 137528045312, 753110839881, 5409303924479, 6162414764360
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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REFERENCES
| R. E. Crandall, On the 3x+1 problem, Math. Comp., 32 (1978) 1281-1292.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| T. D. Noe, Table of n, a(n) for n=0..200
E. G. Dunne, Pianos and Continued Fractions
Eric Weisstein's World of Music, Comma of Pythagoras
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EXAMPLE
| log_2 3 = 1.5849625007211561814537389439...
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CROSSREFS
| Cf. A005663, A028507, A020857.
Sequence in context: A054581 A203151 A140440 * A009739 A062272 A127137
Adjacent sequences: A005661 A005662 A005663 * A005665 A005666 A005667
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KEYWORD
| nonn,frac,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), R. K. Guy
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu), Sep 16 2000
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