%I A051191
%S A051191 1,4,64,16384,1073741824,4611686018427387904,
%T A051191 85070591730234615865843651857942052864
%N A051191 2^(2^n-2).
%Y A051191 Sequence in context: A053773 A053763 A053923 this_sequence A120581 A146520 
               A030176
%Y A051191 Adjacent sequences: A051188 A051189 A051190 this_sequence A051192 A051193 
               A051194
%K A051191 nonn,easy
%O A051191 1,2
%A A051191 Matt Kasper (matt192837(AT)hotmail.com)