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A168320 a(-1)=0. a(n)=a(n-1)^2+2^n. 0

%I

%S 1,3,13,177,31345,982509057,965324047087029313,

%T 931850515884481186273153523321252097,

%U 868345383954173723655205051633111454677692184821907897236578371826897665

%N a(-1)=0. a(n)=a(n-1)^2+2^n.

%t a=0; Table[a=a^2+2^n,{n,0,11}]

%t RecurrenceTable[{a[-1]==0,a[n]==a[n-1]^2+2^n},a,{n,10}] (* _Harvey P. Dale_, Jun 12 2014 *)

%K nonn

%O 0,2

%A _Vladimir Joseph Stephan Orlovsky_, Nov 22 2009

%E Definition corrected - _R. J. Mathar_, Nov 24 2009

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Last modified October 18 13:31 EDT 2019. Contains 328161 sequences. (Running on oeis4.)