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A007474
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Circular diagrams with n chords.
(Formerly M1800)
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0
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OFFSET
| 0,4
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REFERENCES
| N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Bar-Natan, Dror, On the Vassiliev Knot Invariants, Topology 34 (1995) 423-472.
D. Bar-Natan, Bibliography of Vassiliev Invariants
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CROSSREFS
| Sequence in context: A012363 A012717 A072236 * A002724 A203900 A173827
Adjacent sequences: A007471 A007472 A007473 * A007475 A007476 A007477
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KEYWORD
| hard,nonn,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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