Search: id:A004168
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%I A004168
%S A004168 3,12,156,24492,599882556,359859081592975692,
%T A004168 129498558604939936868397356895854556
%N A004168 a(n+1) = a(n)(a(n)+1).
%p A004168 A004168 := proc(n) option remember; if n=0 then 3 else A004168(n-1)*(A004168(n-1)+1); 
               fi; end;
%Y A004168 Sequence in context: A056417 A098152 A028301 this_sequence A061960 A120606 
               A089428
%Y A004168 Adjacent sequences: A004165 A004166 A004167 this_sequence A004169 A004170 
               A004171
%K A004168 nonn,easy
%O A004168 0,1
%A A004168 N. J. A. Sloane (njas(AT)research.att.com).

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