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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A247899 First differences of A247679 1
90, 18, 18, 54, 72, 18, 18, 18, 36, 18, 18, 72, 54, 36, 36, 18, 36, 72, 18, 36, 54, 54, 18, 18, 54, 18, 18, 18, 36, 36, 18, 36, 36, 36, 54, 18, 18, 18, 36, 18, 18, 36, 18, 54, 18, 18, 90, 18, 18, 36, 18, 18, 18, 18, 18, 18, 18, 72, 18, 18, 54, 18, 18, 54, 18, 36, 18, 18, 36, 18, 36, 18, 18, 54, 54, 36, 18, 18, 18, 18, 18 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms have digital root equal to 9.

LINKS

Odimar Fabeny, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A247679.

Sequence in context: A221307 A058631 A078293 * A247902 A052999 A050662

Adjacent sequences: A247896 A247897 A247898 * A247900 A247901 A247902

KEYWORD

nonn,easy

AUTHOR

Odimar Fabeny, Sep 26 2014

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 November 26 18:01 EST 2022. Contains 358362 sequences. (Running on oeis4.)