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T(n,n), array T as in A047140.
1

%I #4 Mar 30 2012 18:56:53

%S 1,2,4,10,38,142,470,1576,5940,22714,83456,305088,1158606,4456076,

%T 16946498,64189932,246350606,952607962,3675557676,14158562010,

%U 54805236890,213011072542,828185178452,3219077811678,12537974366478

%N T(n,n), array T as in A047140.

%K nonn

%O 0,2

%A _Clark Kimberling_