login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

11 and 97 are the smallest and largest of two-digit 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*n-11) \\ 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 7 22:47 EST 2021. Contains 349590 sequences. (Running on oeis4.)