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%I #4 Mar 31 2012 12:35:33
%S 1,2,4,8,16,30,58,112,216,419,809,1566,3034,5880,11412,22156,43052,
%T 83721,162915,317269,618277,1205693,2352789,4594178,8976578,17550155,
%U 34333021,67204348,131622160,257929212,505713564,992051708,1947075948,3823345151
%N Number of binary strings of length n with equal numbers of 00001 and 00010 substrings
%H R. H. Hardin, <a href="/A164192/b164192.txt">Table of n, a(n) for n=0..500</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Aug 11 2009