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A043738 Numbers n such that number of runs in the base 2 representation of n is congruent to 5 mod 6. 0
21, 37, 41, 43, 45, 53, 69, 73, 75, 77, 81, 83, 87, 89, 91, 93, 101, 105, 107, 109, 117, 133, 137, 139, 141, 145, 147, 151, 153, 155, 157, 161, 163, 167, 175, 177, 179, 183, 185, 187, 189, 197, 201, 203, 205, 209, 211, 215, 217 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

MATHEMATICA

Select[Range[300], Mod[Length[Split[IntegerDigits[#, 2]]], 6]==5&] (* Harvey P. Dale, Feb 10 2019 *)

CROSSREFS

Sequence in context: A173589 A043572 A043728 * A043744 A043751 A043759

Adjacent sequences:  A043735 A043736 A043737 * A043739 A043740 A043741

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 4 04:22 EST 2020. Contains 338921 sequences. (Running on oeis4.)