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%I #4 Mar 30 2012 18:36:23
%S 2,4,14,56,280,1684,11791,94334,849011,8490110,93391215,1120694585,
%T 14569029611,203966414562,3059496218435,48951939494968,
%U 832182971414458,14979293485460255,284606576223744861,5692131524474897237
%N [ exp(17/20)*n! ].
%K nonn
%O 1,1
%A _Simon Plouffe_