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A043876 Numbers n such that number of runs in the base 4 representation of n is congruent to 9 mod 10. 1
69905, 69906, 69907, 69912, 69913, 69915, 69916, 69917, 69918, 69921, 69922, 69923, 69924, 69926, 69927, 69932, 69933, 69934, 69937, 69938, 69939, 69940, 69942, 69943, 69944, 69945, 69947, 70020, 70022, 70023 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Differs from A043858 if the number of runs is 18 or 19, for example. This happens for the number with the 18 digits representation 12301230...30 in base 4, for example, which has 18 runs and is in A043858 but not in this sequence. [From R. J. Mathar, Oct 20 2008]

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A190934 A043600 A043858 * A224464 A233987 A243135

Adjacent sequences:  A043873 A043874 A043875 * A043877 A043878 A043879

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 28 09:13 EST 2021. Contains 341695 sequences. (Running on oeis4.)