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%I #4 Apr 09 2018 18:05:37
%S 1,4,8,16,28,48,79,128,203,320,497,768,1176,1792,2715,4096,6154,9216,
%T 13757,20480,30411,45056,66615,98304,144815,212992,312801,458752,
%U 671943,983040,1436569,2097152,3058502,4456448,6487733,9437184,13716921
%N a(n)=Floor(n*2^(n/2)).
%C a(n)=T(n,n), where T is given by A128440.
%t Table[Floor[n 2^(n/2)],{n,40}] (* _Harvey P. Dale_, Apr 09 2018 *)
%Y Cf. A128440.
%K nonn
%O 1,2
%A _Clark Kimberling_, Mar 03 2007