A176930 Primes of the form 3^n + 1000.

1009, 3187, 7561, 1595323, 43047721, 94143179827, 22876792455961, 617673396284947, 6461081889226673298933241, 278128389443693511257285776232761, 1330279464729113309844748891857449679409, 2909321189362570808630465826492242446681483

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..22

Mathematica

Select[Table[3^n + 1000, {n, 0, 300}], PrimeQ] (* Vincenzo Librandi Jan 02 2014 *)

Prog

(Magma) [a: n in [0..250] | IsPrime(a) where a is 3^n+1000];

Crossrefs

Sequence in context: A182695 A100776 A126238 * A308793 A180088 A117359

Adjacent sequences: A176927 A176928 A176929 * A176931 A176932 A176933

Keyword

nonn

Author

Vincenzo Librandi, Apr 29 2010

Extensions

Checked and extended by N. J. A. Sloane, Jun 17 2010

Status

approved