

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
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OFFSET

1,1


COMMENTS

11 and 97 are the smallest and largest of twodigit primes.


LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000


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*n11) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Cf. A105773, A105775.
Sequence in context: A121160 A105863 A052904 * A032470 A342302 A018809
Adjacent sequences: A106689 A106690 A106691 * A106693 A106694 A106695


KEYWORD

nonn,easy


AUTHOR

Parthasarathy Nambi, May 13 2005


STATUS

approved



