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A091473 Integrate[Cos[2x]Product[Cos[x/n],{n,Infinity}],{x,0,Infinity}]. +0
2
3, 9, 2, 6, 9, 9, 0, 8, 1, 6, 9, 8, 7, 2, 4, 1, 5, 4, 8, 0, 7, 8, 3, 0, 4, 2, 2, 9, 0, 9, 9, 3, 7, 8, 6, 0, 5, 2, 4, 6, 4, 5, 4, 3, 4, 1, 8, 7, 2, 3, 1, 5, 9, 5, 9, 2, 6, 8, 1, 2, 2, 8, 5, 1, 6, 2, 0, 9, 3, 2, 4, 7, 1, 3, 9, 9, 3, 8, 5, 4, 6, 1, 7, 9, 0, 1, 6, 5, 1, 2, 7, 4, 7, 4, 5, 5, 3, 6, 6, 7, 8 (list; cons; graph; listen)
OFFSET

0,1

COMMENT

First differs from Pi/8 (A019675) in the 42nd place.

LINKS

Eric Weisstein's World of Mathematics, Definite Integral

D. H. Bailey, J. M. Borwein, V. Kapoor and E. Weisstein, Ten Problems in Experimental Mathematics

EXAMPLE

0.3926990816987...

CROSSREFS

Sequence in context: A155080 A010780 A076420 this_sequence A019675 A050129 A070343

Adjacent sequences: A091470 A091471 A091472 this_sequence A091474 A091475 A091476

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 13, 2004

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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