A105059 Numbers n such that 100000n - 1 is prime.

2, 6, 8, 12, 14, 18, 26, 27, 30, 35, 48, 50, 56, 68, 78, 81, 99, 102, 111, 116, 119, 125, 134, 135, 137, 144, 159, 170, 182, 189, 194, 200, 210, 212, 221, 225, 228, 240, 242, 249, 251, 261, 266, 267, 278, 281, 294, 300, 302, 303, 312, 314, 321, 327, 338, 341

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Example

If n=2, then 100000 * n - 1 is prime.
If n=78, then 100000 * n - 1 is prime.

Mathematica

Select[ Range[ 343], PrimeQ[100000# - 1] &] (* Robert G. Wilson v, Apr 05 2005 *)

Prog

(PARI) is(n)=isprime(100000*n-1) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A191965 A173064 A111367 * A108187 A102166 A024894

Adjacent sequences: A105056 A105057 A105058 * A105060 A105061 A105062

Keyword

nonn,easy

Author

Parthasarathy Nambi, Apr 04 2005

Extensions

More terms from Robert G. Wilson v, Apr 05 2005

Status

approved