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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A107371 Numbers k such that 101*k - 103 is prime. 2
6, 10, 12, 30, 34, 36, 42, 54, 64, 66, 70, 76, 82, 94, 114, 124, 132, 136, 154, 160, 174, 180, 184, 190, 192, 210, 216, 234, 240, 250, 252, 264, 276, 292, 300, 306, 324, 342, 346, 352, 402, 406, 426, 436, 444, 454, 456, 462, 472, 484, 496, 502, 510, 532, 534 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

101 and 103 are twin primes.

LINKS

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

Chris Caldwell, The First 1,008 Twin Primes.

EXAMPLE

If k=66, then 101*66 - 103 = 6563 (prime).

PROG

(MAGMA) [n: n in [2..100000] | IsPrime(101*n - 103)] // Vincenzo Librandi, Nov 13 2010

(PARI) is(n)=isprime(101*n-103) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Cf. A107366, A107369, A107372.

Sequence in context: A297620 A074924 A064166 * A213428 A006187 A288222

Adjacent sequences:  A107368 A107369 A107370 * A107372 A107373 A107374

KEYWORD

nonn,easy

AUTHOR

Parthasarathy Nambi, May 24 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 November 28 20:12 EST 2020. Contains 338752 sequences. (Running on oeis4.)