%I #4 Mar 30 2012 18:56:11
%S 1,19,220,2021,16246,119914,835080,5579147,36150820,228879616,
%T 1423367610,8727874180,52919787978,317969615146,1896431659490,
%U 11241964305405,66305996581006,389432443869294,2279159225280808
%N T(2n,n-4), T given by A026780.
%K nonn
%O 4,2
%A _Clark Kimberling_
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