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A084118 Continued fraction expansion of prod(k>=0,1-1/(2^k+1)). +0
1
0, 4, 1, 3, 3, 7, 2, 1, 1, 3, 3, 18, 9, 15, 1, 13, 3, 1, 1, 1, 4, 3, 1, 3, 1, 1, 1, 1, 3, 8, 18, 2, 3, 2, 14, 3, 1, 2, 1, 7, 1, 300, 1, 3, 1, 17, 1, 1, 1, 4, 3, 9, 2, 3, 4, 1, 25, 6, 12, 3, 1, 1, 3, 4, 2, 6, 28, 2, 11, 2, 3, 1, 2, 3, 18, 9, 1, 1, 3, 2, 22, 165, 8, 5, 13, 7, 1, 6, 1, 2, 3, 5, 1, 14, 6, 1 (list; graph; listen)
OFFSET

0,2

COMMENT

c/4 where c is the constant defined in A085011.

FORMULA

prod(k>=0, 1-1/(2^k+1))=0.2097112208975537988549780538514871...

PROGRAM

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

CROSSREFS

Cf. A085011.

Sequence in context: A019633 A067277 A061903 this_sequence A046071 A078147 A058303

Adjacent sequences: A084115 A084116 A084117 this_sequence A084119 A084120 A084121

KEYWORD

base,cofr,nonn

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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