login
a(n) = T(2n,n), T given by A026648.
0

%I #4 Mar 30 2012 18:56:09

%S 1,3,8,36,114,558,1856,9384,31942,164322,566928,2948184,10262004,

%T 53761068,188306112,991821456,3490234182,18458523378,65190481904,

%U 345875613144,1225052975644,6516499594212,23134851823872,123325174525104

%N a(n) = T(2n,n), T given by A026648.

%K nonn

%O 0,2

%A _Clark Kimberling_