OFFSET
1,1
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
If k=86 then 23*k + 1 = 1979 (prime).
MATHEMATICA
Select[Range[1000], PrimeQ[23*# + 1] &] (* Stefan Steinerberger, Jul 22 2006 *)
PROG
(Magma) [ n: n in [0..1500] | IsPrime(23*n + 1) ] // Vincenzo Librandi, Jan 31 2011
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Parthasarathy Nambi, Jun 24 2006
EXTENSIONS
More terms from Stefan Steinerberger, Jul 22 2006
STATUS
approved