OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..11000
MATHEMATICA
Select[Range[3000], PrimeQ[ToExpression[StringReverse[ToString[#^9]]]] &]
Select[Range[3000], PrimeQ[FromDigits[Reverse[IntegerDigits[#^9]]]]&] (* Harvey P. Dale, Dec 29 2011 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Robert G. Wilson v, Jan 16 2001
STATUS
approved