A073558 Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 2.

2, 18, 177, 1762, 17610, 176092, 1760918, 17609129

Offset

1,1

Links

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

Formula

Lim as n -> inf. a(n)/10^n=log(3/2), where the base is 10. - Robert Gerbicz, Sep 05 2002

Example

a(2)=18 because there are 18 Fibonacci numbers up to 10^2 whose initial digit is 2.

Crossrefs

Sequence in context: A364524 A092473 A318218 * A132306 A264196 A214768

Adjacent sequences: A073555 A073556 A073557 * A073559 A073560 A073561

Keyword

base,nonn

Author

Shyam Sunder Gupta, Aug 15 2002

Extensions

More terms from Robert Gerbicz, Sep 05 2002

Status

approved