login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A073557 Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 1. 0
3, 30, 301, 3011, 30103, 301031, 3010300, 30103001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

Lim as n -> inf. a(n)/10^n=log(2), where the base is 10. - Robert Gerbicz, Sep 05 2002

EXAMPLE

a(2)=30 because there are 30 Fibonacci numbers up to 10^2 whose initial digit is 1.

CROSSREFS

Sequence in context: A136942 A136947 A093138 * A037764 A037652 A037771

Adjacent sequences:  A073554 A073555 A073556 * A073558 A073559 A073560

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Aug 15 2002

EXTENSIONS

More terms from Robert Gerbicz, Sep 05 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 22 04:02 EDT 2019. Contains 323473 sequences. (Running on oeis4.)