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%I #7 Jan 27 2019 21:20:53
%S 1,2,9,44,250,1418,8567,51635,321039,1996724,12628528,80011583,
%T 511889348,3282172599,21172582733,136879748346,888481523846,
%U 5778565689270,37689416642042,246245960185175,1612234572834084
%N T(2n,n), array T as in A047110.
%K nonn
%O 0,2
%A _Clark Kimberling_; definition revised Dec 08 2006; sequence corrected Dec 18 2006
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