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A108874 Numbers n such that 41*n + 43 is prime. 1
0, 14, 20, 26, 38, 44, 48, 56, 60, 66, 80, 90, 116, 126, 138, 140, 146, 158, 170, 174, 186, 198, 200, 224, 228, 230, 236, 240, 248, 254, 264, 266, 270, 290, 294, 300, 306, 308, 314, 320, 324, 338, 354, 356, 368, 374, 378, 384, 390, 398, 404, 416, 426, 434, 446 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
If n=0 then 41*n + 43 = 43 (prime).
If n=90 then 41*n + 43 = 3733 (prime).
MATHEMATICA
Select[Range[0, 500], PrimeQ[41#+43]&] (* Harvey P. Dale, May 09 2012 *)
PROG
(Magma) [n: n in [0..500] | IsPrime(41*n+43)]; - Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(41*n+43) \\ Charles R Greathouse IV, Jun 12 2017
CROSSREFS
Sequence in context: A144585 A186193 A285426 * A063848 A110968 A054017
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 30 2005
STATUS
approved

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Last modified March 28 14:33 EDT 2024. Contains 371254 sequences. (Running on oeis4.)