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Search: id:A019432
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| A019432 |
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Continued fraction for tan(1/9). |
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+0
2
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| 0, 8, 1, 25, 1, 43, 1, 61, 1, 79, 1, 97, 1, 115, 1, 133, 1, 151, 1, 169, 1, 187, 1, 205, 1, 223, 1, 241, 1, 259, 1, 277, 1, 295, 1, 313, 1, 331, 1, 349, 1, 367, 1, 385, 1, 403, 1, 421, 1, 439, 1, 457, 1, 475, 1, 493, 1, 511, 1, 529, 1, 547, 1, 565, 1, 583, 1, 601, 1, 619, 1, 637, 1, 655
(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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0.11157062783380058372650480... = 0 + 1/(8 + 1/(1 + 1/(25 + 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, 98000); x=contfrac(tan(1/9)); for (n=0, 20000, write("b019432.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. A161018 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
Sequence in context: A103884 A103883 A125235 this_sequence A138505 A002173 A050458
Adjacent sequences: A019429 A019430 A019431 this_sequence A019433 A019434 A019435
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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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