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a(n) = prime(4^prime(n)).
0

%I #19 Jun 06 2024 03:49:30

%S 53,311,8161,180503,71378569,1339484197,442795487221,7877263558621,

%T 2420094683001859,12375982557205846193,211104554420210305087,

%U 1025087216809475771050003

%N a(n) = prime(4^prime(n)).

%F a(n) = A119772(prime(n)) = A033844(2*prime(n)). - _Amiram Eldar_, Jun 06 2024

%e a(1) = prime(4^prime(1)) = prime(4^2) = prime(16) = 53.

%t Table[ Prime[4^Prime[n]], {n, 8}] (* _Robert G. Wilson v_, Aug 07 2004 *)

%o (PARI) f(n,m) = forprime(x=2,n,print1(prime(m^x)","))

%Y Subsequence of A033844 and A119772.

%K nonn,hard,more

%O 1,1

%A _Cino Hilliard_, Aug 02 2004

%E Edited and extended by _Robert G. Wilson v_, Aug 07 2004

%E a(9) from _Charles R Greathouse IV_, Nov 02 2014

%E a(10)-a(12) from A033844 added by _Amiram Eldar_, Jun 06 2024