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%I #7 Oct 23 2019 22:10:27
%S 1,4,13,44,149,504,1701,5715,19079,63218,207803,677598,2192383,
%T 7041688,22463815,71216406,224495351,704036264,2197641219,6831066997,
%U 21152812449,65276358340,200814955029,616052453764,1885109044861
%N a(n) = A027113(n, 2n-9).
%K nonn
%O 5,2
%A _Clark Kimberling_