A101557 Numbers k such that 101*k + 1009 is prime.

0, 12, 14, 24, 32, 48, 60, 68, 78, 90, 92, 102, 110, 122, 132, 134, 138, 140, 152, 164, 168, 174, 182, 188, 204, 218, 222, 224, 230, 258, 264, 270, 288, 294, 302, 308, 320, 344, 360, 362, 368, 374, 402, 404, 432, 434, 438, 444, 470, 474, 498

Offset

1,2

Comments

101 is the smallest three-digit prime and 1009 is the smallest four-digit prime.

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Example

If n=0, then 101*0 + 1009 = 1009 (prime).
If n=90, then 101*90 + 1009 = 10099 (prime).
If n=164, then 101*164 + 1009 = 17573 (prime).

Mathematica

Select[Range[0, 500], PrimeQ[101# + 1009] &] (* Stefan Steinerberger, Feb 28 2006 *)

Prog

(PARI) is(n)=isprime(101*n+1009) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A255842 A229966 A342491 * A019292 A175886 A181451

Adjacent sequences: A101554 A101555 A101556 * A101558 A101559 A101560

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jan 25 2005

Extensions

More terms from Stefan Steinerberger, Feb 28 2006

Status

approved