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

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

1,1

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

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

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

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 *)

Prog

(PARI) is(n)=isprime(7*n-911) \\ Charles R Greathouse IV, Jun 12 2017

Crossrefs

Sequence in context: A001295 A105684 A211407 * A345532 A345784 A039603

Adjacent sequences: A108598 A108599 A108600 * A108602 A108603 A108604

Keyword

nonn,easy

Author

Parthasarathy Nambi, Jul 25 2005

Extensions

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

Status

approved