The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A109603 Numbers n such that 43*n - 41 is prime. 0
1, 4, 10, 16, 18, 24, 28, 30, 54, 60, 64, 66, 70, 78, 84, 94, 100, 106, 108, 114, 120, 136, 144, 148, 154, 180, 196, 204, 214, 220, 226, 238, 250, 264, 268, 276, 288, 294, 318, 330, 334, 336, 348, 360, 376, 390, 394, 396, 400, 406, 414 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
If n=1 then 43*n - 41 = 2 (prime).
If n=94 then 43*n - 41 = 4001 (prime).
MATHEMATICA
Select[Range[500], PrimeQ[(43# - 41)] &] (* Stefan Steinerberger, Feb 28 2006 *)
PROG
(PARI) is(n)=isprime(43*n-41) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A119409 A310476 A310477 * A310478 A310479 A310480
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 30 2005
EXTENSIONS
More terms from Stefan Steinerberger, Feb 28 2006
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 24 22:09 EDT 2024. Contains 372782 sequences. (Running on oeis4.)