Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Mar 31 2012 12:35:34
%S 1,2,4,8,16,30,60,116,228,444,870,1698,3324,6498,12720,24892,48748,
%T 95472,187072,366632,718814,1409666,2765414,5426584,10651904,20914746,
%U 41077750,80702042,158594096,311753402,612994372,1205648564,2371934836,4667676104
%N Number of binary strings of length n with equal numbers of 01010 and 10101 substrings
%H R. H. Hardin, <a href="/A164263/b164263.txt">Table of n, a(n) for n=0..500</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Aug 11 2009