A027104 - OEIS

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A027104

a(n) = Sum_{k=0..n} T(n,k) * T(n,2n-k), with T given by A027082.

%I #8 Oct 23 2019 20:08:25

%S 1,2,6,25,93,357,1373,5188,19456,72373,267137,979762,3573058,12965292,

%T 46839228,168552205,604420933,2160638253,7701879217,27384190634,

%U 97138835970,343846037094,1214761031998,4283924048755

%N a(n) = Sum_{k=0..n} T(n,k) * T(n,2n-k), with T given by A027082.

%K nonn

%O 0,2

%A _Clark Kimberling_