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A107950 Boling's constant, the decimal expansion of Sum_{i=1..inf.} i(i+1) / (2*Product_{j=0..i-1} i!/j!). +0
3
1, 8, 0, 5, 9, 1, 7, 4, 1, 8, 9, 8, 6, 6, 9, 1, 0, 1, 3, 9, 9, 7, 5, 0, 5, 3, 8, 5, 8, 5, 1, 0, 5, 0, 6, 8, 0, 9, 8, 9, 6, 5, 2, 5, 4, 5, 9, 0, 9, 6, 3, 4, 2, 8, 2, 5, 7, 5, 9, 5, 8, 8, 5, 8, 5, 8, 8, 2, 9, 7, 8, 7, 3, 6, 3, 4, 9, 1, 4, 0, 6, 7, 9, 2, 0, 7, 5, 9, 8, 7, 5, 7, 8, 1, 1, 8, 0, 7, 5, 1, 4, 9, 8, 2, 3 (list; cons; graph; listen)
OFFSET

1,2

EXAMPLE

B=1.805917418986691013997505385851050680989652545909634282575958858...

MATHEMATICA

RealDigits[ Sum[i(i + 1)/2/Product[i!/j!, {j, 0, i - 1}], {i, 14}], 10, 111][[1]]

CROSSREFS

Cf. A105658, A107951, A107952.

Adjacent sequences: A107947 A107948 A107949 this_sequence A107951 A107952 A107953

Sequence in context: A135001 A019724 A132034 this_sequence A121839 A010517 A021851

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), May 28 2005

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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