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A019428
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Continued fraction for tan(1/5).
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3
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0, 4, 1, 13, 1, 23, 1, 33, 1, 43, 1, 53, 1, 63, 1, 73, 1, 83, 1, 93, 1, 103, 1, 113, 1, 123, 1, 133, 1, 143, 1, 153, 1, 163, 1, 173, 1, 183, 1, 193, 1, 203, 1, 213, 1, 223, 1, 233, 1, 243, 1, 253, 1, 263, 1, 273, 1, 283, 1, 293, 1, 303, 1, 313, 1, 323, 1, 333, 1, 343, 1, 353, 1, 363, 1
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,20000
G. Xiao, Contfrac
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EXAMPLE
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0.20271003550867248332135827... = 0 + 1/(4 + 1/(1 + 1/(13 + 1/(1 + ...)))) [From Harry J. Smith, Jun 13 2009]
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PROG
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(PARI) { allocatemem(932245000); default(realprecision, 93000); x=contfrac(tan(1/5)); for (n=0, 20000, write("b019428.txt", n, " ", x[n+1])); } [From Harry J. Smith, Jun 13 2009]
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CROSSREFS
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Cf. A161014 Decimal expansion. [From Harry J. Smith, Jun 13 2009]
Sequence in context: A157404 A135704 A002564 * A184753 A055252 A193956
Adjacent sequences: A019425 A019426 A019427 * A019429 A019430 A019431
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KEYWORD
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nonn,cofr
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AUTHOR
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David W. Wilson
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STATUS
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approved
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