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

1,1

Links

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

Formula

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

Mathematica

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

Prog

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

Crossrefs

Cf. A038833, A151799.

Sequence in context: A358284 A198763 A047029 * A304625 A373804 A375028

Adjacent sequences: A095117 A095118 A095119 * A095121 A095122 A095123

Keyword

nonn

Author

Cino Hilliard, Jun 19 2004

Extensions

More terms from Harvey P. Dale, Dec 01 2018

Status

approved