A026093 - OEIS

%I #3 Mar 30 2012 18:56:04

%S 1,3,27,156,925,5427,31812,186485,1094211,6428346,37817163,222778629,

%T 1314116799,7761414055,45894511305,271681161390,1609919112321,

%U 9549113626206,56690129330346,336829717243428

%N T(2n,n+1), where T is the array defined in A026082.

%K nonn

%O 1,2

%A _Clark Kimberling_