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2^(p^2) where p is prime.
1

%I #12 Sep 08 2022 08:45:15

%S 16,512,33554432,562949953421312,

%T 2658455991569831745807614120560689152,

%U 748288838313422294120286634350736906063837462003712,994646472819573284310764496293641680200912301594695434880927953786318994025066751066112

%N 2^(p^2) where p is prime.

%C a(7) is too large to include.

%e If p=2, 2^(2^2) = 16.

%e If p=3, 2^(3^2) = 512.

%t Table[2^Prime[n]^2, {n, 7}]

%o (Magma) [(2^(p^2)): p in PrimesUpTo(70)]; // _Vincenzo Librandi_, Feb 04 2011

%o (PARI) forprime(p=2,17,print1(2^p^2", ")) \\ _Charles R Greathouse IV_, May 15 2013

%K nonn

%O 1,1

%A _Parthasarathy Nambi_, Nov 11 2004

%E One more term from _Ray Chandler_, Nov 14 2004

%E a(7) from _Vincenzo Librandi_, Feb 04 2011