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A026618 T(2n,n-2), T given by A026615. 0

%I

%S 1,11,50,212,870,3509,14014,55640,220116,868870,3425092,13491064,

%T 53117350,209097945,823111350,3240499440,12759776700,50254414650,

%U 197979380220,780170359800,3075303389340

%N T(2n,n-2), T given by A026615.

%K nonn

%O 1,2

%A _Clark Kimberling_

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Last modified August 9 07:08 EDT 2022. Contains 356018 sequences. (Running on oeis4.)