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Search: id:A130204
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A130204 Decimal expansion of the mean distance between two points picked at random in a quarter-disk. +0
2
4, 7, 3, 8, 7, 7, 2, 6, 2, 2, 4, 2, 3, 2, 5, 8, 2, 9, 7, 9, 7, 9, 2, 8, 1, 5, 8, 7, 4, 1, 4, 3, 9, 7, 9, 1, 1, 1, 7, 3, 4, 7, 0, 8, 9, 6, 4, 4, 3, 0, 9, 6, 8, 4, 3, 9, 2, 2, 4, 1, 1, 2, 7, 3, 0, 7, 7, 0, 9, 4, 2, 2, 0, 9, 8, 7, 0, 2, 7, 7, 4, 6, 1, 6, 8, 3, 7, 7, 3, 0, 2, 4, 4, 2, 3, 8, 3, 9, 0, 2, 7, 4, 0, 1, 3 (list; cons; graph; listen)
OFFSET

0,1

LINKS

Eric Weisstein's World of Mathematics, CircularSectorLinePicking

FORMULA

(32*(3 - 94*Sqrt[2] + 48*Pi + 6*Log[ -2 + 2*Sqrt[2]]))/(135*Pi^2)

EXAMPLE

0.47387726224232582979...

CROSSREFS

Cf. A093070, A130203.

Sequence in context: A118826 A165663 A100127 this_sequence A021215 A063378 A020803

Adjacent sequences: A130201 A130202 A130203 this_sequence A130205 A130206 A130207

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), May 16, 2007

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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