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A043559 Number of runs in base-7 representation of n. 2
1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 3, 3, 3, 3, 3, 3, 2, 1, 2, 2, 2, 2, 2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,8

COMMENTS

Every positive integers occurs infinitely many times.  See A297770 for a guide to related sequences.

LINKS

Table of n, a(n) for n=0..89.

MATHEMATICA

b = 7; s[n_] := Length[Split[IntegerDigits[n, b]]];

Table[s[n], {n, 1, 200}]

CROSSREFS

Cf. A297775 (number of distinct runs), A297770.

Sequence in context: A307359 A297775 A043534 * A083165 A297776 A043535

Adjacent sequences:  A043556 A043557 A043558 * A043560 A043561 A043562

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 21 08:18 EDT 2021. Contains 345358 sequences. (Running on oeis4.)