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%I #8 Mar 13 2018 21:05:32
%S 1,2,4,8,16,30,56,105,199,378,719,1368,2604,4964,9483,18149,34781,
%T 66738,128233,246738,475405,917193,1771769,3426753,6635470,12863527,
%U 24965024,48503061,94330782,183640249,357845771,697944590,1362469298,2661933869
%N Number of binary strings of length n with equal numbers of 01001 and 10101 substrings.
%H Alois P. Heinz, <a href="/A164260/b164260.txt">Table of n, a(n) for n = 0..1000</a> (first 501 terms from R. H. Hardin)
%K nonn
%O 0,2
%A _R. H. Hardin_, Aug 11 2009