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A073561 Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 5. +0
1
2, 8, 80, 792, 7918, 79182, 791817, 7918132 (list; graph; listen)
OFFSET

1,1

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

EXAMPLE

a(2)=8 because there are 8 Fibonacci numbers up to 10^2 whose initial digit is 5.

CROSSREFS

Sequence in context: A057984 A071254 A063528 this_sequence A130530 A134529 A134054

Adjacent sequences: A073558 A073559 A073560 this_sequence A073562 A073563 A073564

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Aug 15 2002

EXTENSIONS

More terms from Robert Gerbicz (gerbicz(AT)freemail.hu), Sep 05 2002

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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