This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A182999 #29 Sep 28 2018 22:07:48 %S A182999 8,9,8,7,5,5,1,7,8,7,3,6,8,1,7,6,4 %N A182999 Decimal expansion of c^2, c being the speed of light in vacuum in SI units. %C A182999 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 A182999 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 A182999 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 A182999 Also Coulomb's constant (electrostatic constant). - _Jim Singh_, Sep 27 2018 %H A182999 Wikipedia, <a href="https://en.wikipedia.org/wiki/Coulomb%27s_constant">Coulomb's constant</a> %e A182999 c^2 = 89875517873681764 [m^2 * s^-2], exact. %o A182999 (PARI) 299792458^2 \\ _Charles R Greathouse IV_, Apr 22 2016 %Y A182999 Other physical constants: A003678, A081799, A019694, A213610, A072915, A213611, A213612, A213613, A213614. %Y A182999 c^2 is A000007 in natural units. %K A182999 cons,nonn,fini,full %O A182999 17,1 %A A182999 _Omar E. Pol_, Dec 19 2010