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A031057 Write 2n-1 in base 8 and juxtapose. 9
1, 3, 5, 7, 1, 1, 1, 3, 1, 5, 1, 7, 2, 1, 2, 3, 2, 5, 2, 7, 3, 1, 3, 3, 3, 5, 3, 7, 4, 1, 4, 3, 4, 5, 4, 7, 5, 1, 5, 3, 5, 5, 5, 7, 6, 1, 6, 3, 6, 5, 6, 7, 7, 1, 7, 3, 7, 5, 7, 7, 1, 0, 1, 1, 0, 3, 1, 0, 5, 1, 0, 7, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 7, 1, 2, 1, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..90.

CROSSREFS

Sequence in context: A324990 A084712 A031100 * A133069 A192327 A266295

Adjacent sequences:  A031054 A031055 A031056 * A031058 A031059 A031060

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 7 15:56 EDT 2020. Contains 333306 sequences. (Running on oeis4.)