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%I
%S 1,1,2,9216,250822656000,
%T 1721860898320750629665025350129266874199532634112000000000000,
%U 127571798940158944523056860801259448502131218787316228449430227816121623349001793754442941084615568218917882938952698416464702214493962240000000000000000000000000000000
%N phi((n!!)!)
%C Next term has 827 digits.
%t Table[EulerPhi[n!!! ],{n,7}]
%K nonn
%O 1,3
%A _Vladimir Joseph Stephan Orlovsky_, Nov 10 2009
%E Corrected by _Charles R Greathouse IV_, Nov 12 2009
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