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A073563 Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 7. 0
0, 5, 56, 580, 5798, 57992, 579913, 5799197 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

FORMULA

Lim as n -> inf. a(n)/10^n=log(8/7), where the base is 10. - Robert Gerbicz, Sep 05 2002

EXAMPLE

a(2)=5 because there are 5 Fibonacci numbers up to 10^2 whose initial digit is 7.

CROSSREFS

Sequence in context: A258490 A255953 A174249 * A006658 A221160 A006293

Adjacent sequences:  A073560 A073561 A073562 * A073564 A073565 A073566

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Aug 15 2002

EXTENSIONS

More terms from Robert Gerbicz, Sep 05 2002

STATUS

approved

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Last modified May 18 18:24 EDT 2022. Contains 353823 sequences. (Running on oeis4.)