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A072171 Number of stars of visual magnitude n. 1

%I

%S 2,6,14,71,190,610,1292,5946,17765,51094,140062,409194,1196690,

%T 3481113,10126390,29457184,85689537,249266759,725105060,2109295881,

%U 6135840666,17848866544

%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.

%K nonn,dumb

%O -1,1

%A _Robert G. Wilson v_, Jun 28 2002

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Last modified May 24 21:38 EDT 2013. Contains 225631 sequences.