A164708 Those positive integers missing from sequence A164707. Those positive integers that, when written in binary, contain at least two runs of 1's that are of differing lengths.

11, 13, 19, 22, 23, 25, 26, 29, 35, 38, 39, 43, 44, 45, 46, 47, 49, 50, 52, 53, 55, 57, 58, 59, 61, 67, 70, 71, 75, 76, 77, 78, 79, 83, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 97, 98, 100, 101, 103, 104, 105, 106, 107, 109, 110, 111, 113, 114, 115, 116, 117, 118, 121

Offset: 1

Author

Leroy Quet, Aug 23 2009

Keywords

• base
• nonn

Comments

Clarification: A binary number consists of "runs" completely of 1's alternating with runs completely of 0's. No two or more runs all of the same digit are adjacent.

Crossrefs

A164707

Programs

Mathematica

Select[Range[200],Length[Union[Length/@Select[Split[IntegerDigits[ #,2]], MemberQ[ #,1]&]]]>1&] (* Harvey P. Dale, May 28 2016 *)

Extensions

More terms from Max Alekseyev, Feb 03 2010