A052416 Number of n-crossing hyperbolic knots having symmetry group D2.

0, 0, 0, 0, 1, 2, 4, 12, 23, 62, 134, 309, 647, 1463, 3065, 6791

Offset

1,6

References

Hoste, J.; Thistlethwaite, M.; and Weeks, J. "The First 1,701,936 Knots." Math. Intell., 20, 33-48, Fall 1998.

Links

Table of n, a(n) for n=1..16.

Eric Weisstein's World of Mathematics, Knot Symmetry.

Crossrefs

Cf. A052415, ..., A052426.

Sequence in context: A291404 A295954 A364753 * A059322 A163908 A332666

Adjacent sequences: A052413 A052414 A052415 * A052417 A052418 A052419

Keyword

nonn,hard

Author

Eric W. Weisstein

Status

approved