A050730 - OEIS

A050730

Decimal expansion of 9^n contains no pair of consecutive equal digits (probably finite).

0, 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 21, 33 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	LINKS	`Table of n, a(n) for n=0..13.`
	EXAMPLE	`9^33 = 30903154382632612361920641803529.`
	CROSSREFS	`Cf. A030705, A046267, A046275.` `Sequence in context: A219301 A326155 A079734 * A288221 A346782 A229757` `Adjacent sequences: A050727 A050728 A050729 * A050731 A050732 A050733`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest, Sep 15 1999`
	STATUS	`approved`

Last modified May 25 21:44 EDT 2022. Contains 354071 sequences. (Running on oeis4.)