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%I #6 Apr 19 2024 16:08:39
%S 1,2,8,32,161,971,6803,54426,489836,4898367,53882044,646584528,
%T 8405598871,117678384205,1765175763086,28242812209378,480127807559441,
%U 8642300536069954,164203710185329131,3284074203706582624
%N [ exp(3/10)*n! ].
%t With[{c=Exp[3/10]},Floor[c Range[20]!]] (* _Harvey P. Dale_, Apr 19 2024 *)
%K nonn
%O 1,2
%A _Simon Plouffe_