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%I #8 Oct 26 2019 22:42:10
%S 7,44,273,1696,10573,66151,415277,2615004,16512355,104526093,
%T 663143211,4215574482,26846320149,171243444982,1093897673897,
%U 6997031842554,44809862773473,287283383574927,1843675415666053,11842954734864350,76138777668602115,489884818519692190
%N a(n) = Sum_{k=0..2n-2} T(n,k) * T(n,k+2), with T given by A026568.
%K nonn
%O 2,1
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 26 2019
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