%I #4 Mar 31 2012 12:35:33
%S 1,2,4,8,16,30,57,109,208,400,767,1468,2819,5411,10389,19974,38405,
%T 73890,142277,274066,528292,1019005,1966573,3797797,7338758,14189619,
%U 27453458,53148396,102955325,199562528,387056690,751165404,1458687719,2834334139
%N Number of binary strings of length n with equal numbers of 00000 and 01010 substrings
%H R. H. Hardin, <a href="/A164185/b164185.txt">Table of n, a(n) for n=0..500</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Aug 11 2009