

A073560


Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 4.


0




OFFSET

1,2


LINKS



FORMULA

Lim as n > inf. a(n)/10^n=log(5/4), where the base is 10.  Robert Gerbicz, Sep 05 2002


EXAMPLE

a(2)=9 because there are 9 Fibonacci numbers up to 10^2 whose initial digit is 4.


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS



STATUS

approved



