OFFSET
1,1
EXAMPLE
93 is a term, as 10093001 is prime.
MATHEMATICA
Select[Range[400], PrimeQ[FromDigits[Flatten[Prepend[IntegerDigits[1000#+1], {1, 0, 0}]]]]&] (* James C. McMahon, Jan 17 2024 *)
CROSSREFS
KEYWORD
base,nonn,less
AUTHOR
Parthasarathy Nambi, Mar 30 2005
EXTENSIONS
More terms from David Wasserman, Apr 24 2008
STATUS
approved