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%I #29 Sep 28 2018 22:07:48
%S 8,9,8,7,5,5,1,7,8,7,3,6,8,1,7,6,4
%N Decimal expansion of c^2, c being the speed of light in vacuum in SI units.
%C Also, decimal expansion of the ratio between energy and mass measured in meter^2/second^2. By Einstein's formula E/m = c^2.
%C This is a function of an assigned metrological constant. Regarding these, see A003678 for general context notes, references and links. - _Stanislav Sykora_, Jun 16 2012.
%C Also the upper limit on specific strength (ratio of strength to density) for any material in N*m/kg. - _Charles R Greathouse IV_, Apr 22 2016
%C Also Coulomb's constant (electrostatic constant). - _Jim Singh_, Sep 27 2018
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Coulomb%27s_constant">Coulomb's constant</a>
%e c^2 = 89875517873681764 [m^2 * s^-2], exact.
%o (PARI) 299792458^2 \\ _Charles R Greathouse IV_, Apr 22 2016
%Y Other physical constants: A003678, A081799, A019694, A213610, A072915, A213611, A213612, A213613, A213614.
%Y c^2 is A000007 in natural units.
%K cons,nonn,fini,full
%O 17,1
%A _Omar E. Pol_, Dec 19 2010
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