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Search: id:A032758
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| A032758 |
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Undulating primes (digits alternate). |
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+0
32
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| 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 18181, 32323, 35353, 72727, 74747, 78787, 94949, 95959, 1212121, 1616161, 323232323, 383838383
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Sometimes called "smoothly undulating primes", to distinguish them from A059168.
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REFERENCES
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C. A. Pickover, "Keys to Infinity", Wiley 1995, p. 159,160.
C. A. Pickover, "Wonders of Numbers", Oxford New York 2001, Chapter 52, pp. 123-124, 316-317.
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LINKS
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C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," Zentralblatt review
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CROSSREFS
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Cf. A033619, A030291.
Sequence in context: A049585 A049549 A030291 this_sequence A052085 A082646 A038618
Adjacent sequences: A032755 A032756 A032757 this_sequence A032759 A032760 A032761
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KEYWORD
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nonn,base,easy
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
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