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A086054 Decimal expansion of Pi*log(2). +0
1
2, 1, 7, 7, 5, 8, 6, 0, 9, 0, 3, 0, 3, 6, 0, 2, 1, 3, 0, 5, 0, 0, 6, 8, 8, 8, 9, 8, 2, 3, 7, 6, 1, 3, 9, 4, 7, 3, 3, 8, 5, 8, 3, 7, 0, 0, 3, 6, 9, 2, 8, 6, 2, 9, 4, 3, 2, 5, 7, 9, 5, 2, 5, 3, 1, 9, 4, 3, 0, 8, 5, 4, 9, 1, 7, 6, 7, 4, 1, 9, 8, 6, 4, 3, 0, 3, 2, 8, 9, 6, 1, 6, 1, 0, 6, 6, 3, 0, 2, 5, 0, 5, 7, 6, 1 (list; cons; graph; listen)
OFFSET

1,1

COMMENT

Madelung constant b2(2), negated.

LINKS

Eric Weisstein's World of Mathematics, Madelung Constants

EXAMPLE

2.1775860903036021305006888982376139...

CROSSREFS

Sequence in context: A060583 A078104 A072280 this_sequence A011134 A157240 A144749

Adjacent sequences: A086051 A086052 A086053 this_sequence A086055 A086056 A086057

KEYWORD

nonn,cons,easy

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jul 07, 2003

EXTENSIONS

Corrected by Antti Ahti (antti.ahti(AT)tkk.fi), Nov 17 2004

More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), May 21 2005

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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