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A080177
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Non-palindromic primes which on subtracting their reversal give perfect squares.
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3
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43, 73, 2141, 2251, 4253, 4363, 4583, 6701, 7211, 7321, 7541, 8147, 8923, 9103, 9323, 9433, 40093, 40193, 40493, 40693, 40993, 80897, 102101, 105401, 106501, 108401, 109001, 112111, 114311, 118411, 121021, 124021, 127321, 135131, 135431, 136531
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OFFSET
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1,1
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COMMENTS
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See A232183 for the variant including palindromic primes for which p-R(p) = 0 = 0^2.
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LINKS
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EXAMPLE
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a(2)=73 because 73-37=36 which is a perfect square.
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MATHEMATICA
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Select[Prime[Range[13000]], !PalindromeQ[#]&&IntegerQ[Sqrt[#-IntegerReverse[ #]]]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Dec 03 2018 *)
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PROG
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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