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%I #6 Oct 19 2012 17:38:06
%S 1,2,6,27,138,830,5813,46511,418605,4186056,46046623,552559478,
%T 7183273217,100565825043,1508487375646,24135798010342,410308566175816,
%U 7385554191164692,140325529632129156,2806510592642583123
%N [ exp(1/7)*n! ].
%t With[{c=Exp[1/7]},Table[Floor[n!*c],{n,20}]] (* _Harvey P. Dale_, Oct 19 2012 *)
%K nonn
%O 1,2
%A _Simon Plouffe_