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%I #4 May 10 2013 12:45:31
%S 0,0,1,0,3,40,585,15708,760277,67656960,11346344145,3648840170580,
%T 2277220167519825,2780207051899228224,6675377730807161508041,
%U 31633731603265107184483860,296598264243770222308892404305
%N Number of labeled n-vertex graphs with 2-components and without isolated vertices(1-components).
%F E.g.f. exp(-x)*(1-exp(-x^2/2))*Sum(2^binomial(n, 2)*x^n/n!, n=0..infinity). Inverse binomial transform of A093351().
%Y Cf. A006129, A093351, A093352.
%K nonn
%O 0,5
%A Goran Kilibarda, _Vladeta Jovovic_, Apr 28 2004
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