%I #10 Oct 10 2019 09:57:55
%S 1,0,7,9,2,5,2,8,4,8,8
%N Speed of light in km/h.
%C 1079252848.8 (cf. Example section) is the exact value, by definition of the speed of light A003678 (or more precisely, definition of a meter via that assigned value and the otherwise defined second).
%C The kilometer per hour (unit symbol km/h) is worldwide the most commonly used unit of speed, e.g., on road signs and car speedometers.
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Kilometres_per_hour">Kilometres per hour</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Speed_of_light">Speed of light</a>
%e 299792458 m/s * 3600 s/hour * (1 km / 1000 m) = 1079252848.8 km/h.
%o (PARI) 299792458*3.600
%Y See A003678 for further information.
%K nonn,cons,easy,fini,full
%O 10,3
%A _M. F. Hasler_, Oct 31 2014