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%I #2 Mar 30 2012 16:51:44
%S 0,1,6,24,96,372,1476,5880,23472,93792,374964,1499424
%N Sum of terms in n-th row of A151724 when that sequence is written as a triangle.
%C I wish I had a recurrence for this sequence!
%Y Cf. A151724, A169760.
%K nonn
%O 0,3
%A _N. J. A. Sloane_, May 06 2010