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A155970 Decimal expansion of the conversion factor of arcseconds to radians. 1
0, 0, 0, 0, 0, 4, 8, 4, 8, 1, 3, 6, 8, 1, 1, 0, 9, 5, 3, 5, 9, 9, 3, 5, 8, 9, 9, 1, 4, 1, 0, 2, 3, 5, 7, 9, 4, 7, 9, 7, 5, 9, 5, 6, 3, 5, 3, 3, 0, 2, 3, 7, 2, 7, 0, 1, 5, 1, 5, 5, 8, 2, 5, 5, 3, 1, 7, 7, 8, 2, 5, 2, 8, 0, 3, 0, 9, 6, 1, 2, 0, 6, 9, 2, 8, 9, 9, 1, 1, 7, 3, 3, 7, 6, 9, 3, 4, 2, 9, 1, 9, 3, 0, 0, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

One arcsecond is a popular astronomic angular unit, 1/3600th of a degree.

LINKS

Table of n, a(n) for n=0..104.

FORMULA

A019685/3600.

EXAMPLE

Equals 4.8481368110953599358..*10^(-6).

MAPLE

evalf(Pi/180/3600);

MATHEMATICA

Join[{0, 0, 0, 0, 0}, RealDigits[Pi/648000, 10, 120][[1]]] (* Harvey P. Dale, Apr 04 2015 *)

PROG

(PARI) Pi/648000 \\ Charles R Greathouse IV, Sep 08 2011

CROSSREFS

Cf. A217572 (inverse). - Stanislav Sykora, Feb 04 2014

Sequence in context: A195289 A247318 A019838 * A010713 A105398 A005883

Adjacent sequences:  A155967 A155968 A155969 * A155971 A155972 A155973

KEYWORD

cons,easy,nonn

AUTHOR

R. J. Mathar, Jan 31 2009

STATUS

approved

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Last modified May 29 07:20 EDT 2017. Contains 287243 sequences.