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%I #7 Nov 21 2013 12:46:29
%S 1,2,6,25,126,758,5312,42498,382490,3824904,42073953,504887441,
%T 6563536741,91889514383,1378342715752,22053483452034,374909218684590,
%U 6748365936322623,128218952790129851,2564379055802597036
%N [ exp(1/19)*n! ].
%t Floor[Exp[1/19]Range[20]!] (* _Harvey P. Dale_, Jul 19 2011 *)
%K nonn
%O 1,2
%A _Simon Plouffe_