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%I #6 Apr 09 2014 10:15:00
%S 1,1,2,4,14,150,18406,311742406,96402927697811206,
%T 9292975819514867485089851568784006
%N a(1) = 1; a(n+1) = a(1) + a(2)*(a(2) + a(3)*(a(3) +...+a(n-1)*(a(n-1) + a(n))...)).
%K easy,nonn
%O 1,3
%A _Leroy Quet_, Jun 04 2001
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