This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A164708 #9 May 28 2016 11:13:26 %S A164708 11,13,19,22,23,25,26,29,35,38,39,43,44,45,46,47,49,50,52,53,55,57,58, %T A164708 59,61,67,70,71,75,76,77,78,79,83,86,87,88,89,90,91,92,93,94,95,97,98, %U A164708 100,101,103,104,105,106,107,109,110,111,113,114,115,116,117,118,121 %N 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. %C A164708 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. %t A164708 Select[Range[200],Length[Union[Length/@Select[Split[IntegerDigits[ #,2]], MemberQ[ #,1]&]]]>1&] (* _Harvey P. Dale_, May 28 2016 *) %Y A164708 A164707 %K A164708 base,nonn %O A164708 1,1 %A A164708 _Leroy Quet_, Aug 23 2009 %E A164708 More terms from _Max Alekseyev_, Feb 03 2010