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A052418
Number of n-crossing hyperbolic knots having symmetry group D4.
0
0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 11, 18, 21, 31, 53, 89
OFFSET
1,7
REFERENCES
Hoste, J.; Thistlethwaite, M.; and Weeks, J. "The First 1,701,936 Knots." Math. Intell., 20, 33-48, Fall 1998.
LINKS
Eric Weisstein's World of Mathematics, Knot Symmetry.
CROSSREFS
Cf. A052415, ..., A052426.
Sequence in context: A255260 A372491 A333610 * A051800 A121432 A118968
KEYWORD
nonn,hard
STATUS
approved