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Search: id:A019431
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| A019431 |
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Continued fraction for tan(1/8). |
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+0
2
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| 0, 7, 1, 22, 1, 38, 1, 54, 1, 70, 1, 86, 1, 102, 1, 118, 1, 134, 1, 150, 1, 166, 1, 182, 1, 198, 1, 214, 1, 230, 1, 246, 1, 262, 1, 278, 1, 294, 1, 310, 1, 326, 1, 342, 1, 358, 1, 374, 1, 390, 1, 406, 1, 422, 1, 438, 1, 454, 1, 470, 1, 486, 1, 502, 1, 518, 1, 534, 1, 550, 1, 566, 1, 582
(list; graph; listen)
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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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0.12565513657513096779267821... = 0 + 1/(7 + 1/(1 + 1/(22 + 1/(1 + ...)))) [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
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PROGRAM
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(PARI) { allocatemem(932245000); default(realprecision, 97000); x=contfrac(tan(1/8)); for (n=0, 20000, write("b019431.txt", n, " ", x[n+1])); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
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CROSSREFS
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Cf. A161017 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
Sequence in context: A028325 A119546 A050310 this_sequence A064051 A147385 A147347
Adjacent sequences: A019428 A019429 A019430 this_sequence A019432 A019433 A019434
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KEYWORD
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nonn,cofr
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AUTHOR
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David W. Wilson (davidwwilson(AT)comcast.net)
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