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Search: id:A046732
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| A046732 |
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"Norep emirps": primes with distinct digits which remain prime when reversed. |
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+0
13
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| 2, 3, 5, 7, 13, 17, 31, 37, 71, 73, 79, 97, 107, 149, 157, 167, 179, 347, 359, 389, 701, 709, 739, 743, 751, 761, 769, 907, 937, 941, 953, 967, 971, 983, 1069, 1097, 1237, 1249, 1259, 1279, 1283, 1409, 1429, 1439, 1453, 1487, 1523, 1583, 1597, 1657, 1723
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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M. Gardner, column in Scientific American, Vol. 243, No. 4, September, 1980.
There are 25332 terms in this sequence, the last of which is 987653201, as found by Harvey P. Dale (hpd(AT)apscompany.com) - see M. Gardner's column in Scientific American, Vol. 243, No. 6, Dec. 1980, p. 28.
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LINKS
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C. Rivera, Commentary by Jud McCranie, The Prime Puzzles and Problems Connection.
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CROSSREFS
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Essentially the intersection of A029743 and A006567.
Cf. A003684, A006567, A007628, A048051, A048052, A048053, A048054, A048895.
Adjacent sequences: A046729 A046730 A046731 this_sequence A046733 A046734 A046735
Sequence in context: A117159 A134873 A118724 this_sequence A046703 A118722 A051026
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KEYWORD
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easy,nonn,fini,base
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AUTHOR
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Enoch Haga (Enokh(AT)comcast.net)
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net).
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