cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A108601 Numbers n such that 7*n - 911 is prime.

Original entry on oeis.org

132, 136, 142, 144, 150, 154, 156, 162, 166, 172, 174, 180, 190, 192, 196, 202, 214, 216, 222, 234, 240, 244, 246, 250, 252, 256, 264, 276, 280, 282, 286, 304, 306, 310, 316, 330, 334, 342, 346, 352, 354, 360, 364, 372, 376, 384, 394, 396, 400, 406, 412
Offset: 1

Views

Author

Parthasarathy Nambi, Jul 25 2005

Keywords

Comments

7 and 911 are primes.
Since 7*n-911=7*(n-131)+6, the corresponding primes are in A045473. - R. J. Mathar, Apr 26 2008

Examples

			If n=132 then 7*n - 911 = 13 (prime).
If n=172 then 7*n - 911 = 293 (prime).
		

Programs

  • Maple
    A108601 := proc(n) option remember ; if n = 1 then 132 ; else for a from A108601(n-1)+1 do if isprime(7*a-911) then RETURN(a) ; fi ; od: fi ; end: seq(A108601(n),n=1..80) ; # R. J. Mathar, Apr 26 2008
  • Mathematica
    Select[Range[131,500],PrimeQ[7#-911]&] (* Harvey P. Dale, Dec 08 2014 *)
  • PARI
    is(n)=isprime(7*n-911) \\ Charles R Greathouse IV, Jun 12 2017

Extensions

More terms from R. J. Mathar, Apr 26 2008