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%I #11 Jul 24 2013 14:18:31
%S 0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,2,14,16,42,92,208,382,834,1748,3568,
%T 7066,14914,28618,60712,120872,240102,483328,992812,1948804,3975364,
%U 7933368,15876692,31759760,64035868,126968066,255821994
%N Number of subsets A of {0,...,n-1} such that A contains 0 and n-1, and |A+A| > |A-A|.
%C A222807(n) = Sum_{i=1..n} (n-i+1)*a(i).
%Y Cf. A222807.
%K nonn
%O 1,15
%A _James Wilcox_, Jul 24 2013
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