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a(n) = prime(5^prime(n)).
0

%I #13 Jul 01 2024 02:39:46

%S 97,691,28687,994837,958200857,28089376111,22671428650501,

%T 630280777956749,472916224088644129

%N a(n) = prime(5^prime(n)).

%F a(n) = A055680(A000040(n)). - _Amiram Eldar_, Jul 01 2024

%e a(1) = prime(5^prime(1)) = prime(5^2) = prime(25) = 97.

%t Table[ Prime[ 5^Prime[n]], {n, 7}] (* _Robert G. Wilson v_, Aug 07 2004 *)

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

%Y Cf. A000040, A055680.

%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(8)-a(9) from _Amiram Eldar_, Jul 01 2024