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
KEYWORD
nonn,easy
AUTHOR
Parthasarathy Nambi, Jul 25 2005
EXTENSIONS
More terms from R. J. Mathar, Apr 26 2008
STATUS
approved