A073563 - OEIS

The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

A073563

Number of Fibonacci numbers F(k), k <= 10^n, whose initial digit is 7.

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`

Last modified January 16 09:13 EST 2021. Contains 340204 sequences. (Running on oeis4.)