OFFSET
1,1
COMMENTS
The next term has 132 digits. - Harvey P. Dale, Jun 29 2011
MATHEMATICA
Join[{2}, Select[10#+7&/@(FromDigits/@Table[PadRight[{4, 9}, n, 9], {n, 150}]), PrimeQ]] (* Harvey P. Dale, Jun 29 2011 *)
PROG
(Magma) [a: n in [0..250] | IsPrime(a) where a is 5*10^n-3];
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Dec 10 2010
STATUS
approved