%I #4 Mar 31 2012 12:35:34
%S 1,2,4,8,16,30,56,105,197,369,694,1310,2478,4696,8916,16961,32330,
%T 61748,118158,226510,434977,836712,1612101,3110914,6012212,11635952,
%U 22550833,43761165,85026439,165398533,322104060,627946682,1225426998,2393686551
%N Number of binary strings of length n with equal numbers of 00100 and 10101 substrings
%H R. H. Hardin, <a href="/A164242/b164242.txt">Table of n, a(n) for n=0..500</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Aug 11 2009
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