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A026892 T(2n,n-4), T given by A026780. 0

%I

%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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Last modified October 21 16:40 EDT 2021. Contains 348155 sequences. (Running on oeis4.)