login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050730 Decimal expansion of 9^n contains no pair of consecutive equal digits (probably finite). 1
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

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

License Agreements, Terms of Use, Privacy Policy. .

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