login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108596 Numbers n such that 911*n - 7 is prime. 0
4, 10, 36, 40, 48, 94, 120, 130, 138, 160, 174, 180, 198, 216, 226, 250, 268, 270, 274, 276, 286, 298, 328, 330, 346, 348, 360, 366, 396, 400, 414, 450, 454, 456, 460, 466, 474, 478, 480, 498, 510, 528, 538, 550, 558, 580, 598, 606, 648, 676, 678, 688, 690 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

7 and 911 are primes.

LINKS

Table of n, a(n) for n=1..53.

EXAMPLE

If n=4 then 911*n - 7 = 3637 (prime).

If n=160 then 911*n - 7 = 145753 (prime).

PROG

(MAGMA) [n: n in [1..700] | IsPrime(911*n-7)]; - Vincenzo Librandi, Nov 13 2010

(PARI) is(n)=isprime(911*n-7) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Sequence in context: A149178 A152916 A222506 * A204270 A287220 A220205

Adjacent sequences:  A108593 A108594 A108595 * A108597 A108598 A108599

KEYWORD

nonn,easy

AUTHOR

Parthasarathy Nambi, Jul 25 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 19 07:02 EST 2017. Contains 294915 sequences.