OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
Cécile Dartyge, Bruno Martin, Joël Rivat, Igor E. Shparlinski, and Cathy Swaenepoel, Reversible primes, arXiv:2309.11380 [math.NT], 2023. See p. 6.
MATHEMATICA
Select[Range[200], And@@SquareFreeQ/@{#, FromDigits[Reverse[ IntegerDigits[ #]]]}&] (* Harvey P. Dale, Jan 04 2014 *)
Select[Range[200], AllTrue[{#, IntegerReverse[#]}, SquareFreeQ]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Dec 16 2018 *)
CROSSREFS
KEYWORD
base,easy,nonn,less
AUTHOR
Amarnath Murthy, Nov 04 2002
EXTENSIONS
More terms from David Wasserman, Oct 25 2006
STATUS
approved