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A073561
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Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 5.
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0
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OFFSET
| 1,1
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FORMULA
| Lim as n -> inf. a(n)/10^n=log(6/5), where the base is 10. - Robert Gerbicz (gerbicz(AT)freemail.hu), Sep 05 2002
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EXAMPLE
| a(2)=8 because there are 8 Fibonacci numbers up to 10^2 whose initial digit is 5.
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CROSSREFS
| Sequence in context: A057984 A071254 A063528 * A202999 A130530 A134529
Adjacent sequences: A073558 A073559 A073560 * A073562 A073563 A073564
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KEYWORD
| base,nonn
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AUTHOR
| Shyam Sunder Gupta (guptass(AT)rediffmail.com), Aug 15 2002
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EXTENSIONS
| More terms from Robert Gerbicz (gerbicz(AT)freemail.hu), Sep 05 2002
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