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

1,1

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.

Links

Table of n, a(n) for n=1..63.

Mathematica

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

Crossrefs

A164707

Sequence in context: A269806 A062019 A057891 * A030792 A101934 A164861

Adjacent sequences: A164705 A164706 A164707 * A164709 A164710 A164711

Keyword

base,nonn

Author

Leroy Quet, Aug 23 2009

Extensions

More terms from Max Alekseyev, Feb 03 2010

Status

approved