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%I #4 Mar 31 2012 12:35:34
%S 1,2,4,8,16,30,56,104,194,363,682,1286,2432,4612,8766,16701,31887,
%T 61017,117001,224812,432789,834689,1612548,3120361,6047274,11736581,
%U 22809338,44385205,86473743,168662839,329316660,643634073,1259124723,2465346235
%N Number of binary strings of length n with equal numbers of 00100 and 01101 substrings
%C Exactly 2 adjacent element pairs in decreasing order gives A027540
%H R. H. Hardin, <a href="/A164238/b164238.txt">Table of n, a(n) for n=0..500</a>
%K nonn
%O 0,2
%A _R. H. Hardin_ Aug 11 2009