OFFSET
0,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..4500
MATHEMATICA
Select[Range[1000], PrimeQ[ # + FromDigits[Reverse[IntegerDigits[ # ]]]] && # + FromDigits[Reverse[IntegerDigits[ # ]]] != FromDigits[ Reverse[IntegerDigits[ # + FromDigits[Reverse[IntegerDigits[ # ]]]]]] &]
nppQ[n_]:=With[{c=n+IntegerReverse[n]}, PrimeQ[c]&&!PalindromeQ[c]]; Select[ Range[600], nppQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 27 2021 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Tanya Khovanova, Jul 23 2007
STATUS
approved