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Search: id:A006467
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| A006467 |
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Continued fraction for Sum[ (-1)^n/3^(2^n),{n,0,Infinity} ].
(Formerly M3206)
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+0
1
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| 0, 4, 3, 1, 3, 5, 1, 3, 5, 3, 3, 1, 5, 3, 1, 3, 3, 5, 3, 1, 3, 5, 1, 3, 3, 5, 3, 1, 5, 3, 1, 3, 5, 3, 3, 1, 3, 5, 1, 3, 5, 3, 3, 1, 5, 3, 1, 3, 5, 3, 3, 1, 3, 5, 1, 3, 3, 5, 3, 1, 5, 3, 1, 3, 3, 5, 3, 1, 3, 5, 1, 3, 5, 3, 3, 1, 5, 3, 1, 3, 3, 5, 3, 1, 3, 5, 1, 3, 3, 5, 3, 1, 5, 3, 1, 3, 3, 5, 3, 1, 3, 5, 1, 3, 5
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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Shallit, Jeffrey; Simple continued fractions for some irrational numbers. J. Number Theory 11 (1979), no. 2, 209-217.
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LINKS
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J. O. Shallit, Simple continued fractions for some irrational numbers. J. Number Theory 11 (1979), no. 2, 209-217.
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MAPLE
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u := 3: v := 7: Buv := [u, 1, [0, u+1, u-1]]: for k from 2 to v do n := nops(Buv[3]): Buv := [u, Buv[2]+1, [seq(Buv[3][i], i=1..n-1), Buv[3][n]-(-1)^Buv[2], Buv[3][n]+(-1)^Buv[2], seq(Buv[3][n-i], i=1..n-2)]] od:seq(Buv[3][i], i=1..2^v); # first 2^v terms of A006467
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CROSSREFS
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Sequence in context: A080758 A123683 A010306 this_sequence A119505 A130806 A016499
Adjacent sequences: A006464 A006465 A006466 this_sequence A006468 A006469 A006470
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KEYWORD
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nonn,cofr
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AUTHOR
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njas
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EXTENSIONS
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Better description and more terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 19 2001
Maple program from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Dec 02 2002
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