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A027147 a(n) = A027144(2n, n-2). 0

%I

%S 1,12,56,480,2040,16576,69888,557568,2361600,18675712,79613952,

%T 626409472,2686867456,21071708160,90875494400,711081984000,

%U 3081088991232,24069137760256,104712901754880,816979824869376,3566715303624704,27800440481513472,121738713372819456,948129286114508800

%N a(n) = A027144(2n, n-2).

%K nonn

%O 2,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 24 2019

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Last modified May 24 09:12 EDT 2022. Contains 354026 sequences. (Running on oeis4.)