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[ exp(2/9)*n! ].
0

%I #6 Oct 18 2019 14:32:08

%S 1,2,7,29,149,899,6294,50353,453182,4531822,49850050,598200606,

%T 7776607883,108872510366,1633087655499,26129402487988,444199842295806,

%U 7995597161324521,151916346065165908,3038326921303318173

%N [ exp(2/9)*n! ].

%t Floor[Exp[2/9]Range[20]!] (* _Harvey P. Dale_, Oct 18 2019 *)

%K nonn

%O 1,2

%A _Simon Plouffe_