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A081799 Decimal expansion of the electric permittivity of vacuum in SI units. 11
8, 8, 5, 4, 1, 8, 7, 8, 1, 7, 6, 2, 0, 3, 8, 9, 8, 5, 0, 5, 3, 6, 5, 6, 3, 0, 3, 1, 7, 1, 0, 7, 5, 0, 2, 6, 0, 6, 0, 8, 3, 7, 0, 1, 6, 6, 5, 9, 9, 4, 4, 9, 8, 0, 8, 1, 0, 2, 4, 1, 7, 1, 5, 2, 4, 0, 5, 3, 9, 5, 0, 9, 5, 4, 5, 9, 9, 8, 2, 1, 1, 4, 2, 8, 5, 2, 8, 9, 1, 6, 0, 7, 1, 8, 2, 0, 0, 8, 9, 3, 2, 8, 6, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

-11,1

COMMENTS

Denoted epsilon_0, this is a function of assigned metrological constants. Regarding these, see A003678 for general context notes, references and links. - Stanislav Sykora, Jun 16 2012.

Also called electric constant. - Omar E. Pol, Oct 17 2013

LINKS

Table of n, a(n) for n=-11..92.

NIST, Constants.

FORMULA

a(n)=1/(A019694*A003678^2). - R. J. Mathar, May 05 2006

Explicitely: 1/([magnetic_permeability of vacuum]*[speed_of_light in vacuum]^2). - Stanislav Sykora, Jun 16 2012

Also 625000/(22468879468420441*Pi). - Omar E. Pol, Oct 17 2013

EXAMPLE

8.854187817...*10^-12 F m^-1.

MAPLE

Digits := 105 : A003678 := 2.99792458e8 : A019694 := 4*Pi*1.0e-7 ; evalf(1/A019694/A003678^2) ; # R. J. Mathar, May 05 2006

CROSSREFS

Other assigned constants: A003678, A182999, A019694, A213610, A072915, A213611, A213612, A213613, A213614.

Sequence in context: A112116 A228719 A021117 * A154186 A030171 A153619

Adjacent sequences:  A081796 A081797 A081798 * A081800 A081801 A081802

KEYWORD

cons,nonn

AUTHOR

Benoit Cloitre, Apr 10 2003

EXTENSIONS

More terms from R. J. Mathar, May 05 2006

STATUS

approved

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Last modified January 21 21:01 EST 2017. Contains 281110 sequences.