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Search: id:A052415
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| A052415 |
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Number of n-crossing knots having symmetry group D1. |
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+0
6
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| 0, 0, 0, 0, 0, 0, 0, 4, 13, 66, 217, 728, 2391, 7575, 23517, 73263
(list; graph; listen)
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OFFSET
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1,8
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REFERENCES
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Hoste, J.; Thistlethwaite, M.; and Weeks, J. "The First 1,701,936 Knots." Math. Intell., 20, 33-48, Fall 1998.
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LINKS
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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. A052415, ..., A052426.
Sequence in context: A057712 A135312 A005035 this_sequence A129433 A157311 A096805
Adjacent sequences: A052412 A052413 A052414 this_sequence A052416 A052417 A052418
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KEYWORD
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nonn,hard
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com)
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