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Search: id:A007500
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| A007500 |
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"Palindromic" primes: primes whose reversal is prime (the name is not accurate but was used by Wells). (Formerly M0657)
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+0 18
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| 2, 3, 5, 7, 11, 13, 17, 31, 37, 71, 73, 79, 97, 101, 107, 113, 131, 149, 151, 157, 167, 179, 181, 191, 199, 311, 313, 337, 347, 353, 359, 373, 383, 389, 701, 709, 727, 733, 739, 743, 751, 757, 761, 769, 787, 797, 907, 919, 929, 937, 941, 953, 967, 971, 983
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The numbers themselves need not be palindromes.
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REFERENCES
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D. Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, 134.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..10000
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MATHEMATICA
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Select[ Prime[ Range[ 168 ] ], PrimeQ[ FromDigits[ Reverse[ IntegerDigits[ # ] ] ] ]& ] (from Zak Seidov, corrected by T. D. Noe)
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CROSSREFS
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Cf. A006567, A007628.
Cf. A002385 (primes that are palindromes in base 10)
Adjacent sequences: A007497 A007498 A007499 this_sequence A007501 A007502 A007503
Sequence in context: A086498 A055387 A061461 this_sequence A069706 A090933 A107845
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KEYWORD
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base,nonn,nice
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AUTHOR
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njas, Robert G. Wilson v (rgwv(AT)rgwv.com)
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Oct 31 2000
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