%I #6 Aug 22 2020 15:37:53
%S 1,2,7,31,156,940,6580,52642,473778,4737780,52115580,625386966,
%T 8130030563,113820427882,1707306418237,27316902691801,464387345760618,
%U 8358972223691130,158820472250131476,3176409445002629538
%N [ exp(4/15)*n! ].
%t Floor[Exp[4/15]Range[30]!] (* _Harvey P. Dale_, Aug 22 2020 *)
%K nonn
%O 1,2
%A _Simon Plouffe_