A052415 Number of n-crossing hyperbolic knots having symmetry group D1.

0, 0, 0, 0, 0, 0, 0, 4, 13, 66, 217, 728, 2391, 7575, 23517, 73263

Offset

1,8

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: A005035 A340452 A222771 * A129433 A157311 A318600

Adjacent sequences: A052412 A052413 A052414 * A052416 A052417 A052418

Keyword

nonn,hard

Author

Eric W. Weisstein

Status

approved