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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
OFFSET
0,6
COMMENTS
One arcsecond is a popular astronomic angular unit, 1/3600 of a degree.
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 * A348573 A010713 A105398
KEYWORD
cons,easy,nonn
AUTHOR
R. J. Mathar, Jan 31 2009
STATUS
approved