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A086465 Decimal expansion of (5+4Sqrt[5]ArcCsch[2])/24. +0
4
3, 8, 7, 6, 7, 0, 3, 9, 2, 0, 6, 8, 3, 3, 5, 0, 1, 6, 2, 0, 3, 9, 3, 0, 5, 1, 3, 7, 2, 9, 4, 1, 8, 9, 2, 7, 2, 6, 0, 2, 3, 7, 7, 8, 4, 3, 9, 1, 7, 8, 7, 3, 5, 6, 1, 4, 8, 7, 5, 2, 5, 4, 3, 3, 3, 0, 2, 3, 3, 8, 3, 9, 7, 7, 5, 4, 7, 1, 6, 5, 0, 5, 6, 7, 2, 8, 7, 6, 1, 0, 2, 9, 0, 5, 0, 8, 3, 1, 4, 7, 5, 2 (list; cons; graph; listen)
OFFSET

0,1

COMMENT

Sum[(-1)^(n-1)/binomial[2n,n],{n,Infinity}]

LINKS

Eric Weisstein's World of Mathematics, Central Binomial Coefficient

EXAMPLE

0.3876...

CROSSREFS

Cf. A086466, A086467, A086468.

Sequence in context: A134903 A121992 A021262 this_sequence A106043 A011255 A101297

Adjacent sequences: A086462 A086463 A086464 this_sequence A086466 A086467 A086468

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jul 21, 2003

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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