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Search: id:A072171
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| A072171 |
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Number of stars of visual magnitude n. |
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+0
2
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| 2, 6, 14, 71, 190, 610, 1292, 5946, 17765, 51094, 140062, 409194, 1196690, 3481113, 10126390, 29457184, 85689537, 249266759, 725105060, 2109295881, 6135840666, 17848866544
(list; graph; listen)
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OFFSET
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-1,1
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COMMENT
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These numbers are not well-defined, and the sequence is included only for completeness.
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.
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LINKS
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David Haworth, How Many Stars You Can Observe
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CROSSREFS
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Cf. A053406.
Sequence in context: A133155 A011455 A055691 this_sequence A131518 A130642 A119416
Adjacent sequences: A072168 A072169 A072170 this_sequence A072172 A072173 A072174
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KEYWORD
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nonn,dumb
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 28 2002
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