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.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A109603 Numbers n such that 43*n - 41 is prime. 0

%I #9 Jun 13 2017 12:37:00

%S 1,4,10,16,18,24,28,30,54,60,64,66,70,78,84,94,100,106,108,114,120,

%T 136,144,148,154,180,196,204,214,220,226,238,250,264,268,276,288,294,

%U 318,330,334,336,348,360,376,390,394,396,400,406,414

%N Numbers n such that 43*n - 41 is prime.

%e If n=1 then 43*n - 41 = 2 (prime).

%e If n=94 then 43*n - 41 = 4001 (prime).

%t Select[Range[500], PrimeQ[(43# - 41)] &] (* _Stefan Steinerberger_, Feb 28 2006 *)

%o (PARI) is(n)=isprime(43*n-41) \\ _Charles R Greathouse IV_, Jun 13 2017

%K nonn,easy

%O 1,2

%A _Parthasarathy Nambi_, Jul 30 2005

%E More terms from _Stefan Steinerberger_, Feb 28 2006

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.

Last modified June 14 14:51 EDT 2024. Contains 373400 sequences. (Running on oeis4.)