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%I #2 Oct 12 2013 15:18:07
%S 0,0,1,2,3,93,464,1915,6336,316224,2805257,23139584,91581111,
%T 3772979200,77178291200,1022362697389,12006689439744,52812321503747,
%U 4709633119830016,110533093583273984,1995008117795780625
%N Minimum values of abs(x^x-n!) for given n.
%e 3! = 6, the closest x^x can get to 6 is 2^2, so a(3) = 3! - 2^2 = 2
%Y Cf. A118168, A118169.
%K easy,nonn
%O 0,4
%A _Olaf Voß_, Apr 13 2006