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T(2n,n+4), T given by A026769.
0

%I #4 Mar 30 2012 18:56:11

%S 1,10,67,380,1978,9814,47391,225590,1067527,5051454,24001979,

%T 114858924,554704282,2707092726,13359365962,66678605418,336519708452,

%U 1716476383658,8842304168692,45966748864706,240938394287134,1272300373503706

%N T(2n,n+4), T given by A026769.

%K nonn

%O 4,2

%A _Clark Kimberling_