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A247897 First differences of A247676 1
54, 36, 54, 36, 54, 36, 36, 36, 18, 72, 18, 18, 18, 54, 18, 72, 18, 18, 18, 18, 18, 18, 72, 18, 72, 36, 36, 18, 18, 54, 18, 54, 36, 18, 18, 54, 18, 36, 18, 18, 54, 36, 36, 36, 18, 36, 18, 36, 18, 36, 18, 18, 18, 36, 36, 18, 36, 18, 18, 36, 18, 36, 72, 18, 36, 18, 36, 36, 18, 36, 54, 18, 18, 90, 18, 54, 18, 18, 36, 36, 72 (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. A247676.

Sequence in context: A156476 A137939 A033374 * A247900 A116386 A107936

Adjacent sequences:  A247894 A247895 A247896 * A247898 A247899 A247900

KEYWORD

nonn,easy

AUTHOR

Odimar Fabeny, Sep 26 2014

STATUS

approved

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Last modified September 25 22:56 EDT 2022. Contains 356986 sequences. (Running on oeis4.)