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A037866 a(n)=(number of digits <=3)-(number of digits >3) in base 7 representation of n. 0
1, 1, 1, -1, -1, -1, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, 0, 0, 0, 0, -2, -2, -2, 0, 0, 0, 0, -2, -2, -2, 3, 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

LINKS

Table of n, a(n) for n=0..83.

CROSSREFS

Sequence in context: A230630 A037867 A122879 * A306216 A238451 A205777

Adjacent sequences:  A037863 A037864 A037865 * A037867 A037868 A037869

KEYWORD

base,sign

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)