%I #2 Mar 30 2012 18:51:00
%S 1,1,0,-9,80,6111,29951360,-207256402585089,
%T -3919788933040280447085605363200,
%U 14683863149476410414382246646213355893861151824423487368369151
%N Real part of x(n) defined as x(n+1)=x(n)^2+i with i=sqrt(-1),
%C A143849(n) = imaginary part of x(n).
%F a(n+1) = a(n)^2 - A143849(n)^2.
%e x starts with 1, 1+i, 3*i, -9+i, 80-17*i, 6111-2719*i, ...
%Y A003095.
%K sign
%O 1,4
%A _Reinhard Zumkeller_, Sep 03 2008
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