%I A027048
%S A027048 5,29,213,1633,12821,102369,826305,6724933,55108961,454279229,
%T A027048 3764205941,31334121045,261903891425,2197181330193,18494163039793,
%U A027048 156140262436597
%N A027048 a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A027023.
%Y A027048 Sequence in context: A030522 A091124 A121143 this_sequence A094856 A057623 
               A087662
%Y A027048 Adjacent sequences: A027045 A027046 A027047 this_sequence A027049 A027050 
               A027051
%K A027048 nonn
%O A027048 2,1
%A A027048 Clark Kimberling (ck6(AT)evansville.edu)