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A084129 Continued fraction expansion of 4*prod(k>=0,1-1/(2^k+1)). +0
1
0, 1, 5, 4, 1, 6, 1, 8, 13, 4, 1, 1, 8, 1, 1, 3, 2, 13, 1, 3, 2, 3, 4, 2, 3, 2, 14, 2, 73, 1, 2, 1, 58, 14, 1, 1, 4, 75, 5, 73, 1, 1, 2, 1, 2, 1, 1, 1, 1, 6, 20, 1, 5, 1, 1, 5, 1, 1, 2, 1, 1, 3, 14, 1, 8, 1, 1, 1, 27, 1, 46, 1, 3, 5, 73, 2, 2, 1, 1, 3, 1, 2, 5, 3, 1, 40, 1, 1, 7, 1, 2, 3, 3, 31, 2, 12, 3, 1 (list; graph; listen)
OFFSET

0,3

FORMULA

4*prod(k>=0, 1-1/(2^k+1))=0.838844883590215195...

PROGRAM

(PARI) contfrac(4*prod(k=0, 1000, 1-1./(2^k+1)))

CROSSREFS

Cf. A085011.

Adjacent sequences: A084126 A084127 A084128 this_sequence A084130 A084131 A084132

Sequence in context: A087707 A113011 A130815 this_sequence A011503 A072222 A005752

KEYWORD

base,cofr,cofr,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 19 2003

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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