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A065446 Decimal expansion of Product{k=1..inf} (1-1/2^k)^(-1). +0
3
3, 4, 6, 2, 7, 4, 6, 6, 1, 9, 4, 5, 5, 0, 6, 3, 6, 1, 1, 5, 3, 7, 9, 5, 7, 3, 4, 2, 9, 2, 4, 4, 3, 1, 1, 6, 4, 5, 4, 0, 7, 5, 7, 9, 0, 2, 9, 0, 4, 4, 3, 8, 3, 9, 1, 3, 2, 9, 3, 5, 3, 0, 3, 1, 7, 5, 8, 9, 1, 5, 4, 3, 9, 7, 4, 0, 4, 2, 0, 6, 4, 5, 6, 8, 7, 9, 2, 7, 7, 4, 0, 2, 9, 4, 8, 4, 3, 3, 5, 3, 5, 0, 8, 8, 0 (list; cons; graph; listen)
OFFSET

1,1

REFERENCES

S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 354-361.

LINKS

S. R. Finch, Digital Search Tree Constants

Eric Weisstein's World of Mathematics, Wallis Formula

EXAMPLE

3.46274661945506361153795734292443116454075790290...

MATHEMATICA

N[ Product[ 1/(1 - 1/2^k), {k, 1, Infinity} ], 500 ]

CROSSREFS

Cf. A048652.

Adjacent sequences: A065443 A065444 A065445 this_sequence A065447 A065448 A065449

Sequence in context: A125776 A066977 A007551 this_sequence A055173 A010469 A136248

KEYWORD

nonn,cons

AUTHOR

njas, Nov 18 2001

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 19 2001

Further terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Dec 01 2001

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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