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A222723
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Palindromic primes starting with a digit 1.
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3
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11, 101, 131, 151, 181, 191, 10301, 10501, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13831, 13931, 14341, 14741, 15451, 15551, 16061, 16361, 16561, 16661, 17471, 17971, 18181, 18481, 19391, 19891, 19991, 1003001, 1008001, 1022201, 1028201, 1035301, 1043401
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OFFSET
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1,1
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COMMENTS
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Subsequence of A002385 (palindromic primes) and A002113 (palindromic numbers). Complement of A222724 (palindromic nonprime numbers starting with a digit 1) with respect to A043036 (palindromic numbers starting with a digit 1).
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LINKS
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MATHEMATICA
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Select[Prime[Range[85000]], PalindromeQ[#]&&IntegerDigits[#][[1]]==1&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 14 2018 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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