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A002361
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Denominators of convergents to fifth root of 2.
(Formerly M4062 N1684)
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0
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1, 6, 7, 20, 27, 47, 74, 269, 6799, 7068, 35071, 112281, 371914, 2715679, 141587222, 144302901, 430193024, 1434881973, 3299956970, 50934236523, 105168430016, 261271096555, 1150252816236, 18665316156331, 38480885128898, 288031512058617, 326512397187515
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OFFSET
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1,2
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REFERENCES
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D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 67.
P. Seeling, Verwandlung der irrationalen Groesse ... in einen Kettenbruch, Archiv. Math. Phys., 46 (1866), 80-120.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Table of n, a(n) for n=1..27.
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MATHEMATICA
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Denominator[Convergents[2^(1/5), 30]] (* From Harvey P. Dale, Apr 27 2012 *)
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CROSSREFS
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Sequence in context: A210605 A175262 A081348 * A041185 A042389 A078980
Adjacent sequences: A002358 A002359 A002360 * A002362 A002363 A002364
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KEYWORD
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nonn
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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 H. P. Robinson.
Definition clarified and more terms from Harvey P. Dale, Apr 27 2012
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STATUS
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approved
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