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%I #7 Oct 23 2019 17:17:13
%S 1,1,5,17,54,169,517,1559,4653,13787,40638,119333,349469,1021433,
%T 2981330,8693467,25333627,73795263,214915073,625855927,1822630172,
%U 5308552227,15464475465,45060652609,131334677147,382907083385
%N a(n) = A027082(n, 2n-4).
%K nonn
%O 2,3
%A _Clark Kimberling_