%I #4 Mar 30 2012 18:56:53
%S 1,4,15,57,215,812,3083,11750,44934,172401,663370,2559008,9894006,
%T 38331115,148770379,578346672,2251636041,8777816518,34261079538,
%U 133873978089,523638632149,2050085911219,8033148700174,31502487793694
%N T(n,n+3), array T as in A047100.
%K nonn
%O 0,2
%A _Clark Kimberling_
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