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%I #8 Jan 20 2020 08:18:26
%S 1,4,14,48,179,656,2394,8744,32791,123188,463211,1744076,6632688,
%T 25303978,96699766,370030836,1422210560,5479757300,21147107145,
%U 81707846148,316422360163,1227500661756,4768032430608,18539704936398
%N a(n) = T(n,n+3), array T as in A047130.
%Y Cf. A047130.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E Definition corrected by _Georg Fischer_, Jan 20 2020