A119777 (16^n)-th prime.

2, 53, 1619, 38873, 821641, 16290047, 310248241, 5750079047, 104484802057, 1870358526653, 33089240375501, 579863159340527, 10082409897709157, 174160587542317721, 2991614170035124397, 51140670371058101123, 870566678511500413493, 14764978793012287880219

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..19
• Andrew Booker, The Nth Prime Page.

Crossrefs

Cf. A033844, A119772, A119773, A119778, A119779.

Programs

Mathematica

a[n_] := Prime[16^n]; Array[a, 12, 0] (* Amiram Eldar, Jul 18 2025 *)

PARI

a(n)=prime(16^n) \\ Charles R Greathouse IV, Nov 02 2014

Formula

a(n) = A033844(4*n) = A119772(2*n). - Amiram Eldar, Jul 18 2025

Extensions

a(10)-a(14) from Charles R Greathouse IV, Nov 02 2014

a(15)-a(17) from Amiram Eldar, Jul 18 2025