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%I #8 Jul 21 2019 08:16:21
%S 1,1,1,5,9,13,33,73,145,313,657,1549,3353,7221,16129,36785,81921,
%T 180529,403809,939573,2125193,4756893,10800801,25195577,57552721,
%U 130500393,298271153,700076797,1610366937,3680601093,8482477313,19929303521
%N a(n) = A024727(n+3)/4.
%Y Cf. A024727.
%K nonn
%O 1,4
%A _Clark Kimberling_