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A065488 Decimal expansion of product(1 + 1/(p^2-p-1)), p prime >= 2). +0
1
2, 6, 7, 4, 1, 1, 2, 7, 2, 5, 5, 7, 0, 0, 2, 1, 5, 0, 8, 9, 6, 0, 4, 1, 1, 8, 3, 0, 4, 4, 5, 4, 8, 8, 0, 3, 7, 5, 0, 2, 3, 9, 8, 6, 2, 8, 3, 9, 7, 6, 9, 1, 9, 8, 5, 2, 0, 0, 8, 1, 9, 0, 4, 1, 9, 6, 0, 8, 6, 5, 9, 5, 6, 1, 0, 5, 3, 0, 2, 8, 6, 8, 6, 4, 4, 8, 5, 0, 9, 2, 9, 7, 1, 7, 3, 4, 8, 5, 7 (list; cons; graph; listen)
OFFSET

1,1

COMMENT

This is 1/Artin's constant, see A005596.

LINKS

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

EXAMPLE

2.67411272557002150896041183...

CROSSREFS

Cf. A005596, A048296.

Sequence in context: A131212 A020771 A021378 this_sequence A016591 A021793 A061352

Adjacent sequences: A065485 A065486 A065487 this_sequence A065489 A065490 A065491

KEYWORD

cons,nonn

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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