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A105057 Numbers n such that 10000 * n - 1 is prime. 0
5, 6, 8, 14, 18, 20, 24, 29, 33, 38, 39, 41, 42, 53, 60, 62, 66, 68, 77, 80, 84, 99, 104, 105, 108, 119, 120, 123, 125, 131, 140, 141, 161, 164, 167, 171, 179, 180, 182, 186, 189, 194, 195, 201, 207, 222, 231, 237, 245, 249, 258, 260, 264, 266, 270, 288, 294, 300 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..58.

EXAMPLE

If n=5, then 10000 * 5 - 1 is prime.

If n=29, then 10000 * 29 - 1 is prime.

If n=60, then 10000 * 60 - 1 is prime.

MATHEMATICA

Select[Range[340], PrimeQ[10000*# - 1] &] (* Stefan Steinerberger, Feb 26 2006 *)

PROG

(PARI) is(n)=isprime(10000*n-1) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Sequence in context: A323041 A105830 A067527 * A058336 A285499 A110461

Adjacent sequences:  A105054 A105055 A105056 * A105058 A105059 A105060

KEYWORD

nonn,easy

AUTHOR

Parthasarathy Nambi, Apr 04 2005

EXTENSIONS

More terms from Stefan Steinerberger, Feb 26 2006

STATUS

approved

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Last modified April 6 08:53 EDT 2020. Contains 333268 sequences. (Running on oeis4.)