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Search: id:A019430
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| A019430 |
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Continued fraction for tan(1/7). |
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+0
3
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| 0, 6, 1, 19, 1, 33, 1, 47, 1, 61, 1, 75, 1, 89, 1, 103, 1, 117, 1, 131, 1, 145, 1, 159, 1, 173, 1, 187, 1, 201, 1, 215, 1, 229, 1, 243, 1, 257, 1, 271, 1, 285, 1, 299, 1, 313, 1, 327, 1, 341, 1, 355, 1, 369, 1, 383, 1, 397, 1, 411, 1, 425, 1, 439, 1, 453, 1, 467, 1, 481, 1, 495, 1, 509, 1
(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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0.14383695943619093528003059... = 0 + 1/(6 + 1/(1 + 1/(19 + 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, 96000); x=contfrac(tan(1/7)); for (n=0, 20000, write("b019430.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. A161016 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 14 2009]
Sequence in context: A092371 A157386 A157396 this_sequence A064083 A152249 A167580
Adjacent sequences: A019427 A019428 A019429 this_sequence A019431 A019432 A019433
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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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