%I A082426
%S A082426 1,3,10,49,301,2161,17641,161281,1632961,18144001,219542401,2874009601,
%T A082426 40475635201,610248038401,9807557760001,167382319104001,
%U A082426 3023343138816001,57621363351552001,1155628453883904001
%N A082426 a(1)=1, a(n)=n*(a(n-1)+a(n-2)+...+a(2)+a(1)) + 2.
%F A082426 for n>=2 a(n) = ceiling(n*(2e-9/2)*n!)
%Y A082426 Cf. A074143.
%Y A082426 Sequence in context: A140964 A005921 A143921 this_sequence A054381 A102088 
               A088142
%Y A082426 Adjacent sequences: A082423 A082424 A082425 this_sequence A082427 A082428 
               A082429
%K A082426 nonn
%O A082426 0,2
%A A082426 Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 24 2003