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A052416
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Number of n-crossing knots having symmetry group D2.
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0
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0, 0, 0, 0, 1, 2, 4, 12, 23, 62, 134, 309, 647, 1463, 3065, 6791
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,6
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REFERENCES
| 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
| Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
| Cf. A052415, ..., A052426.
Sequence in context: A099603 A062767 A173650 * A059322 A163908 A108720
Adjacent sequences: A052413 A052414 A052415 * A052417 A052418 A052419
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KEYWORD
| nonn,hard
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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