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%I #6 Mar 30 2012 16:45:01
%S 1,0,44,-174,117256,-7589530,2965194588,-692238710870,349381845013136,
%T -172725188707732914,125191334490221307940,-102149999612542557845422,
%U 105262879332307879142908440,-125296099002304850701565276234
%N (2*n)!-Sum ((-1)^(i+1)*binomial(n,i)*2^i*(2*i-1)!,i=1..n).
%K sign
%O 0,3
%A _N. J. A. Sloane_.
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