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Search: id:A046075
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| A046075 |
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Nontrivial undulants; base 10 numbers >100 which are of the form aba, abab, ababa..., where a!=b. |
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+0
8
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| 101, 121, 131, 141, 151, 161, 171, 181, 191, 202, 212, 232, 242, 252, 262, 272, 282, 292, 303, 313, 323, 343, 353, 363, 373, 383, 393, 404, 414, 424, 434, 454, 464, 474, 484, 494, 505, 515, 525, 535, 545, 565, 575, 585, 595, 606, 616, 626, 636, 646, 656
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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C. A. Pickover, ``The Undulation of the Monks.'' Ch. 20 in Keys to Infinity. New York: W.H.Freeman, pp. 159-161 1995.
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
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
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Cf. A046076, A033619.
Adjacent sequences: A046072 A046073 A046074 this_sequence A046076 A046077 A046078
Sequence in context: A105992 A038370 A084430 this_sequence A088882 A135602 A095635
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KEYWORD
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nonn,base
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com)
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