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s(n+3)/4, where s is A024739.
0

%I #3 Mar 30 2012 18:55:59

%S 1,2,4,10,24,56,132,344,880,2216,5568,14912,39248,101952,265216,

%T 718240,1925376,5115008,13574976,37150464,100744448,271103616,

%U 729513984,2008900096,5495163136,14942424576,40595259392,112428786176,309465434112,847395311616

%N s(n+3)/4, where s is A024739.

%K nonn

%O 1,2

%A _Clark Kimberling_