%I A026388
%S A026388 1,5,24,114,541,2573,12275,58747,282003,1357407,6549906,31675020,
%T A026388 153481299,745011075,3622111560,17635418730,85975792075,419644943495,
%U A026388 2050493623760,10029194506990,49098707209695,240568930012575
%N A026388 a(n) = number of integer strings s(0),...,s(n) counted by array T in 
               A026386 that have s(n)=2; also a(n) = T(2n,n-1).
%Y A026388 Sequence in context: A079028 A141223 A140766 this_sequence A057969 A004254 
               A086347
%Y A026388 Adjacent sequences: A026385 A026386 A026387 this_sequence A026389 A026390 
               A026391
%K A026388 nonn
%O A026388 1,2
%A A026388 Clark Kimberling (ck6(AT)evansville.edu)