%I A026949
%S A026949 1,12,83,630,3171,21672,97482,639180,2730615,17543196,72932904,
%T A026949 463291920,1895949055,11961944400,48478715240,304543085040
%N A026949 a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=n-3, T given by A026374.
%Y A026949 Sequence in context: A164300 A175037 A102105 this_sequence A165127 A075476 
               A085409
%Y A026949 Adjacent sequences: A026946 A026947 A026948 this_sequence A026950 A026951 
               A026952
%K A026949 nonn
%O A026949 3,2
%A A026949 Clark Kimberling (ck6(AT)evansville.edu)