OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ 58n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2300]], MemberQ[{23}, Mod[#, 59]] &] (* Vincenzo Librandi, Sep 03 2012 *)
Select[Range[23, 20000, 59], PrimeQ] (* Harvey P. Dale, Sep 26 2016 *)
PROG
(Magma) [p: p in PrimesUpTo(19000) | p mod 59 eq 23 ]; // Vincenzo Librandi, Sep 03 2012
(PARI) is(n)=isprime(n) && n%59==23 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved