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(prime(prime(n)))^n.
0

%I #7 Nov 14 2019 08:46:46

%S 3,25,1331,83521,28629151,4750104241,2488651484819,406067677556641,

%T 186940255267540403,236736367459211723401,138624799340320978519423,

%U 224282727500720205065439601,193682063179592517160024627139

%N (prime(prime(n)))^n.

%F a(n) = A006450(n)^n. - _R. J. Mathar_, Nov 14 2019

%t Table[Prime[Prime[n]]^n,{n,15}] (* _Harvey P. Dale_, Oct 10 2013 *)

%o (PARI) f(n) = for(x=1,n,print1((prime(prime(x)))^x,","))

%K nonn

%O 1,1

%A _Cino Hilliard_, Jun 11 2004