A052422 Number of n-crossing hyperbolic knots having symmetry group D8.

0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 2, 8

Offset

1,12

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: A279741 A099064 A280398 * A294525 A011218 A171244

Adjacent sequences: A052419 A052420 A052421 * A052423 A052424 A052425

Keyword

nonn,hard

Author

Eric W. Weisstein

Status

approved