A162185 - OEIS

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A162185

a(0)=3 and a(n+1)=2^a(n).

%I #4 Apr 01 2018 13:41:20

%S 3,8,256,

%T 115792089237316195423570985008687907853269984665640564039457584007913129639936

%N a(0)=3 and a(n+1)=2^a(n).

%C Initializing at 0, 1, 2 or 4 gives A014221.

%t NestList[2^#&,3,3] (* _Harvey P. Dale_, Apr 01 2018 *)

%Y A000079 (powers of 2).

%K nonn

%O 0,1

%A _Benoit Jubin_, Jun 27 2009