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A065465 Decimal expansion of product(1 - 1/(p^2*(p+1))), p prime >= 2). +0
3
8, 8, 1, 5, 1, 3, 8, 3, 9, 7, 2, 5, 1, 7, 0, 7, 7, 6, 9, 2, 8, 3, 9, 1, 8, 2, 2, 9, 0, 3, 2, 2, 7, 8, 4, 7, 1, 2, 9, 8, 6, 9, 2, 5, 7, 2, 0, 8, 0, 7, 6, 7, 3, 3, 6, 7, 0, 1, 6, 8, 5, 3, 5, 5, 4, 8, 6, 5, 7, 9, 0, 6, 3, 7, 9, 4, 1, 6, 9, 7, 4, 1, 0, 2, 2, 0, 4, 5, 5, 1, 7, 9, 7, 0, 2, 0, 9, 6 (list; cons; graph; listen)
OFFSET

0,1

LINKS

G. Niklasch, Some number theoretical constants: 1000-digit values

Eric Weisstein's World of Mathematics, Quadratic Class Number Constant

Eric Weisstein's World of Mathematics, Prime Products

EXAMPLE

0.88151383972517077692839182290...

CROSSREFS

Cf. A078087.

Sequence in context: A091648 A135707 A021923 this_sequence A105193 A011464 A019871

Adjacent sequences: A065462 A065463 A065464 this_sequence A065466 A065467 A065468

KEYWORD

cons,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2001

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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