A043751 Numbers n such that number of runs in the base 2 representation of n is congruent to 5 mod 8.

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

Offset

1,1

Links

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

Mathematica

Select[Range[300], Mod[Length[Split[IntegerDigits[#, 2]]], 8]==5&] (* Harvey P. Dale, Apr 10 2017 *)

Crossrefs

Sequence in context: A043728 A043738 A043744 * A043759 A043768 A083567

Adjacent sequences: A043748 A043749 A043750 * A043752 A043753 A043754

Keyword

nonn,base

Author

Clark Kimberling

Status

approved