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A043724 Numbers n such that number of runs in the base 2 representation of n is congruent to 0 mod 4. 2
10, 18, 20, 22, 26, 34, 36, 38, 40, 44, 46, 50, 52, 54, 58, 66, 68, 70, 72, 76, 78, 80, 88, 92, 94, 98, 100, 102, 104, 108, 110, 114, 116, 118, 122, 130, 132, 134, 136, 140, 142, 144, 152, 156, 158, 160, 170, 176, 184, 188, 190, 194 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[200], Divisible[Length[Split[IntegerDigits[#, 2]]], 4]&] (* Harvey P. Dale, May 21 2012 *)

CROSSREFS

Sequence in context: A004752 A087141 A178461 * A043571 A043732 A043737

Adjacent sequences:  A043721 A043722 A043723 * A043725 A043726 A043727

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 25 22:37 EST 2021. Contains 341618 sequences. (Running on oeis4.)