A043573 Numbers whose base-2 representation has exactly 6 runs.

42, 74, 82, 84, 86, 90, 106, 138, 146, 148, 150, 154, 162, 164, 166, 168, 172, 174, 178, 180, 182, 186, 202, 210, 212, 214, 218, 234, 266, 274, 276, 278, 282, 290, 292, 294, 296, 300, 302, 306, 308, 310, 314, 322, 324, 326, 328

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[Range[400], Length[Split[IntegerDigits[#, 2]]]==6&] (* Harvey P. Dale, Jan 04 2019 *)

Crossrefs

Sequence in context: A340570 A261621 A043689 * A043733 A043745 A043752

Adjacent sequences: A043570 A043571 A043572 * A043574 A043575 A043576

Keyword

nonn,base

Author

Clark Kimberling

Status

approved