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 A043556 Number of runs in base-4 representation of n. 2
 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 3, 3, 3, 2, 1, 2, 2, 3, 3, 2, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 2, 3, 3, 2, 2, 1, 2, 3, 3, 3, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 2, 3, 2, 2, 2, 1, 2, 3, 3, 3, 4, 3, 4, 4, 4, 4, 3, 4, 4, 4, 4, 3, 2, 3, 3, 3, 2, 1, 2, 2, 3, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 COMMENTS Every positive integers occurs infinitely many times.  See A297770 for a guide to related sequences. LINKS MATHEMATICA b = 4; s[n_] := Length[Split[IntegerDigits[n, b]]]; Table[s[n], {n, 1, 200}] CROSSREFS Cf. A297772 (number of distinct runs), A297770. Sequence in context: A270746 A043531 A297772 * A230643 A344117 A163367 Adjacent sequences:  A043553 A043554 A043555 * A043557 A043558 A043559 KEYWORD nonn,base AUTHOR EXTENSIONS Updated by Clark Kimberling, Feb 03 2018 STATUS approved

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Last modified August 2 21:30 EDT 2021. Contains 346429 sequences. (Running on oeis4.)