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A037868 a(n)=(number of digits <=4)-(number of digits >4) in base 9 representation of n. 0
1, 1, 1, 1, -1, -1, -1, -1, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, 0, 0, 0, -2, -2, -2, -2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,9

LINKS

Table of n, a(n) for n=0..79.

CROSSREFS

Sequence in context: A114294 A242050 A037869 * A173069 A059963 A137934

Adjacent sequences:  A037865 A037866 A037867 * A037869 A037870 A037871

KEYWORD

base,sign

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 20 21:02 EDT 2019. Contains 327247 sequences. (Running on oeis4.)