OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1608 (* All terms having 401 or fewer digits *)
MATHEMATICA
Select[Flatten[Table[FromDigits/@Permutations[Join[{m}, PadRight[{}, n, 3]]], {n, 14}, {m, {2, 4}}]], PrimeQ]//Sort (* Harvey P. Dale, Oct 08 2018 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Nov 25 2009
EXTENSIONS
a(1)-a(28) verified and a(29)-a(42) added by Alonso del Arte, Dec 15 2009
STATUS
approved