%N Number of stars of visual magnitude n.
%C These numbers are not well-defined and the sequence is included only for completeness.
%C For magnitude 0, the number includes any star between -0.50 to +0.49 magnitude, of which there are only two, Sirius and the Sun. On average there is an increase of ~291% from one magnitude to the next.
%H David Haworth, <a href="http://www.stargazing.net/david/constel/howmanystars.html">How Many Stars You Can Observe</a>
%Y Cf. A053406.
%A _Robert G. Wilson v_, Jun 28 2002