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%I #3 Mar 30 2012 17:37:11
%S 1,-1,1,-1,0,5,-18,27,67,-496,496,6963,-24246,-148002,1138045,3360042,
%T -58828040,-33243252,3312139446,-5235582541,-204462055464,
%U 726496668085,14922365946662,-84161948692035,-1310383972147810
%N Column 1 of triangle A055370.
%K sign
%O 1,6
%A _Christian G. Bower_, May 16 2000