%I #4 Mar 30 2012 18:36:23
%S 2,5,15,62,311,1870,13091,104730,942577,9425770,103683474,1244201692,
%T 16174622000,226444708001,3396670620019,54346729920314,
%U 923894408645348,16630099355616264,315971887756709022,6319437755134180441
%N [ exp(21/22)*n! ].
%K nonn
%O 1,1
%A _Simon Plouffe_
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