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 A213614 #16 Mar 13 2021 23:45:11 %S A213614 9,4,6,0,7,3,0,4,7,2,5,8,0,8,0,0 %N A213614 Decimal expansion of the length of one light-year in meters. %C A213614 This is a function of assigned metrological constants. Regarding these, see A003678 for general context notes, references and links. - _Stanislav Sykora_, Jun 16 2012 %C A213614 As defined by the IAU, the light-year is the product of the Julian year, 365.25 days (as opposed to the 365.2425-day Gregorian year) and the speed of light (299792458 m/s, A003678). - _M. F. Hasler_, Oct 31 2014 %F A213614 [Speed_of_light_in_vacuum]*[Duration_of_Julian_year], i.e., A003678 * A213612. %F A213614 299792458 * 365.25 * 24 * 60 * 60 = 299792458 * 31557600 = 9460730472580800. - _Omar E. Pol_, Aug 31 2012 %e A213614 Exactly 9.4607304725808*10^15 m = 9.4607304725808 Pm (Peta-meters). %Y A213614 Cf. A003678, A182999, A081799, A019694, A213610, A072915, A213611, A213612, A213613. %K A213614 nonn,cons,full,fini %O A213614 16,1 %A A213614 _Stanislav Sykora_, Jun 16 2012