A119773 (8^n)-th prime.

2, 19, 311, 3671, 38873, 386093, 3681131, 34136029, 310248241, 2777105129, 24563311309, 215187847711, 1870358526653, 16149760533341, 138666449011757, 1184895616861903, 10082409897709157, 85476377250109733, 722285281729443799, 6085631874569939777

Offset: 0

Author

Jim Snow (jsnow(AT)mitre.org), Jun 22 2006

Keywords

• nonn
• hard

Links

• Amiram Eldar, Table of n, a(n) for n = 0..26
• Andrew Booker, The Nth Prime Page.

Crossrefs

Cf. A033844, A119772, A119777, A119778, A119779.

Programs

Mathematica

a[n_] := Prime[8^n]; Array[a, 16, 0] (* Amiram Eldar, Jul 18 2025 *)

PARI

a(n)=prime(8^n) \\ Charles R Greathouse IV, Nov 02 2014

Formula

a(n) = A033844(3*n). - Amiram Eldar, Jul 18 2025

Extensions

a(14)-a(19) from Charles R Greathouse IV, Nov 02 2014