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A106692
Numbers k such that 97*k - 11 is prime.
1
6, 12, 46, 54, 64, 70, 90, 100, 102, 106, 112, 114, 126, 142, 156, 166, 172, 180, 184, 196, 202, 204, 210, 214, 222, 226, 240, 250, 256, 306, 310, 312, 322, 340, 354, 366, 370, 372, 406, 412, 424, 432, 436, 442, 454, 456, 466, 480, 492, 510, 532, 534, 540
OFFSET
1,1
COMMENTS
11 and 97 are the smallest and largest of two-digit primes.
LINKS
EXAMPLE
If k=6, then 97*k - 11 = 571 (prime).
If k=106, then 97*k - 11 = 10271 (prime).
MATHEMATICA
Select[Range[600], PrimeQ[97#-11]&] (* Harvey P. Dale, May 18 2021 *)
PROG
(Magma) [n: n in [1..100000] | IsPrime(97*n - 11)]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(97*n-11) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A121160 A105863 A052904 * A032470 A342302 A018809
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, May 13 2005
STATUS
approved