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A087198 Decimal expansion of 1/(2*sqrt(Pi)). 2
2, 8, 2, 0, 9, 4, 7, 9, 1, 7, 7, 3, 8, 7, 8, 1, 4, 3, 4, 7, 4, 0, 3, 9, 7, 2, 5, 7, 8, 0, 3, 8, 6, 2, 9, 2, 9, 2, 2, 0, 2, 5, 3, 1, 4, 6, 6, 4, 4, 9, 9, 4, 2, 8, 4, 2, 2, 0, 4, 2, 8, 6, 0, 8, 5, 5, 3, 2, 1, 2, 3, 4, 2, 2, 0, 7, 4, 6, 7, 0, 7, 2, 4, 3, 3, 7, 1, 8, 3, 0, 1, 0, 1, 0, 5, 3, 6, 8, 1, 7, 2, 1, 5, 1, 4 (list; constant; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

Radius of a sphere with surface area 1.

EXAMPLE

0.28209479177387814347...

CROSSREFS

Cf. A086201, A087197, A087199.

Sequence in context: A021082 A029672 A011309 * A200589 A194567 A065813

Adjacent sequences:  A087195 A087196 A087197 * A087199 A087200 A087201

KEYWORD

cons,easy,nonn

AUTHOR

Sven Simon (sven-h.simon(AT)t-online.de), Aug 24 2003

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.