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%I #6 Jun 06 2018 15:23:18
%S 1,2,8,34,170,1021,7152,57216,514951,5149512,56644635,679735626,
%T 8836563141,123711883983,1855678259755,29690852156095,504744486653631,
%U 9085400759765361,172622614435541861,3452452288710837226
%N [ exp(7/20)*n! ].
%t Floor[Exp[7/20]Range[20]!] (* _Harvey P. Dale_, Jun 06 2018 *)
%K nonn
%O 1,2
%A _Simon Plouffe_