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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A024910 Numbers n such that 9*n-2 is prime. 1
 1, 5, 7, 9, 11, 17, 25, 27, 31, 35, 37, 39, 41, 47, 49, 51, 61, 67, 69, 75, 77, 79, 81, 95, 101, 111, 115, 117, 119, 121, 125, 135, 137, 139, 145, 147, 159, 161, 165, 179, 181, 185, 189, 195, 199, 207, 209, 215, 217, 221, 235, 237, 245, 247, 249, 255, 257, 261, 265, 271, 275 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[300], PrimeQ[9 # - 2] &] (* Vincenzo Librandi, Sep 26 2012 *) PROG (MAGMA) [n: n in [1..300] | IsPrime(9*n-2)]; // Vincenzo Librandi, Nov 19 2010 (PARI) is(n)=isprime(9*n-2) \\ Charles R Greathouse IV, Jun 06 2017 CROSSREFS Cf. A061241 (associated primes). Sequence in context: A228233 A256091 A229064 * A283771 A045236 A029664 Adjacent sequences:  A024907 A024908 A024909 * A024911 A024912 A024913 KEYWORD nonn,easy AUTHOR 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.

Last modified May 9 19:37 EDT 2021. Contains 343746 sequences. (Running on oeis4.)