%I #5 Mar 30 2012 18:56:04
%S 1,5,19,65,211,665,2058,6294,19095,57607,173096,518596,1550367,
%T 4627455,13795176,41088456,122297643,363828663,1081966875,3216725841,
%U 9561635853,28418162003,84455354206,250982289650,745860104145,2216567725281
%N a(n) = T(n,n+2) where T is the array defined in A025564.
%Y First differences are pairwise sums of A025181.
%Y Pairwise sums of A014532.
%K nonn
%O 1,2
%A _Clark Kimberling_