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A043759 Numbers n such that number of runs in the base 2 representation of n is congruent to 5 mod 9. 1
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

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

MATHEMATICA

Select[Range[250], Mod[Length[Split[IntegerDigits[#, 2]]], 9]==5&] (* Harvey P. Dale, Dec 23 2012 *)

CROSSREFS

Sequence in context: A043738 A043744 A043751 * A043768 A083567 A109211

Adjacent sequences:  A043756 A043757 A043758 * A043760 A043761 A043762

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 23 01:37 EST 2021. Contains 340384 sequences. (Running on oeis4.)