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A055929 EulerPhi of the factorial of prime(n). 1

%I

%S 1,2,32,1152,8294400,1194393600,64210599936000,20804234379264000,

%T 4229084764616785920000,1396531754239566739931136000000,

%U 1256878578815610065938022400000000

%N EulerPhi of the factorial of prime(n).

%F a(n)=EulerPhi(prime(n)!) = A000010(A039716(n)) = A048855(prime(n)).

%Y A000142, A039716.

%K nonn

%O 1,2

%A _Labos Elemer_, Jul 17 2000

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Last modified April 6 03:52 EDT 2020. Contains 333267 sequences. (Running on oeis4.)