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A224893 Number of subsets A of {0,...,n-1} such that A contains 0 and n-1, and |A+A| > |A-A|. 1

%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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Last modified April 16 19:48 EDT 2024. Contains 371754 sequences. (Running on oeis4.)