A027324 - OEIS

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A027324

a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+2), with T given by A026120.

%I #8 Oct 27 2019 19:56:53

%S 3,24,184,1463,11657,93688,757850,6169613,50514395,415759614,

%T 3438158946,28554806794,238086163616,1992242104601,16725195766745,

%U 140833011881526,1189153456427116,10066508646963539,85417056346549467,726375065671501914,6189580339717996008

%N a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+2), with T given by A026120.

%K nonn

%O 2,1

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 27 2019