A095120 a(n) = prime(3^n - 1).

3, 19, 101, 409, 1531, 5507, 19273, 65677, 220859, 733559, 2412763, 7867543, 25485179, 82064011, 262960069, 839001707, 2666790157, 8448283721, 26684834629, 84064182049, 264194301341, 828513359543, 2593131866471, 8101615860581, 25270000074743

Offset: 1

Author

Cino Hilliard, Jun 19 2004

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..36 (calculated using the b-file at A038833)

Crossrefs

Cf. A038833, A151799.

Programs

Mathematica

Prime[3^Range[25]-1] (* Harvey P. Dale, Dec 01 2018 *)

PARI

f(n) = for(x=1,n,print1(prime(3^x-1)","))

Formula

a(n) = A151799(A038833(n)). - Amiram Eldar, Jul 01 2024

Extensions

More terms from Harvey P. Dale, Dec 01 2018