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T(n,n-1), array T given by A047020.
0

%I #4 Mar 30 2012 18:56:51

%S 1,1,4,5,19,66,293,1144,4308,17158,67007,258431,1012299,3955448,

%T 15396192,60225003,235693679,921621773,3610690891,14157362951,

%U 55517613242,217923561656,856025426013,3363897769426,13227528604439

%N T(n,n-1), array T given by A047020.

%K nonn

%O 1,3

%A _Clark Kimberling_