%I A026306
%S A026306 0,2,12,69,392,2235,12804,73710,426192,2473704,14405800,84137130,492652824,
%T A026306 2891110235,16999928820,100136858625,590778928800,3490370847876,
%U A026306 20647839813048,122287764072938,725023671281520,4302720916638417
%N A026306 a(n) = T(2n,n+1), where T is the array in A026300.
%Y A026306 Sequence in context: A056636 A128103 A078839 this_sequence A116398 A001542 
               A059229
%Y A026306 Adjacent sequences: A026303 A026304 A026305 this_sequence A026307 A026308 
               A026309
%K A026306 nonn
%O A026306 1,2
%A A026306 Clark Kimberling (ck6(AT)evansville.edu)