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a(n) = T(n,[ n/2 ]), where T is the array in A026268.
1

%I #6 Sep 24 2019 21:19:11

%S 1,1,1,2,5,9,27,46,145,244,796,1330,4438,7382,25034,41508,142479,

%T 235672,816620,1348204,4706977,7759105,27256963,44873972,158450461,

%U 260581699,924129535,1518390034,5404960900,8873524820,31689099660,51988770150

%N a(n) = T(n,[ n/2 ]), where T is the array in A026268.

%K nonn

%O 0,4

%A _Clark Kimberling_

%E a(12) corrected by _Sean A. Irvine_, Sep 24 2019