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%I
%S 4,43,396,3465,29730,253008,2145968,18184052,154119660,1307389666,
%T 11104039000,94441581936,804428517984,6862216318250,58625961078432,
%U 501592568400544,4297633705136632,36872583343109643,316774930400206020
%N a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+3), with T given by A026323.
%K nonn
%O 2,1
%A _Clark Kimberling_
%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 23 2003
%E Title corrected by _Sean A. Irvine_, Oct 27 2019
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