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A130864 Numbers x such that x + reverse of x is a non-palindromic prime. 1
158, 166, 170, 172, 178, 182, 188, 190, 196, 229, 239, 257, 265, 269, 271, 277, 281, 287, 295, 299, 328, 338, 356, 364, 368, 370, 376, 380, 386, 394, 398, 427, 437, 439, 455, 463, 467, 469, 475, 479, 485, 493, 497, 499, 526, 536, 538, 554, 562, 566, 568 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
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
A subsequence of A072366 = Numbers x such that x + reverse of x is a prime.
Sequence in context: A369007 A345511 A048930 * A045245 A053235 A352349
KEYWORD
base,nonn
AUTHOR
Tanya Khovanova, Jul 23 2007
STATUS
approved

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Last modified April 19 03:30 EDT 2024. Contains 371782 sequences. (Running on oeis4.)