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A052422 Number of n-crossing knots having symmetry group D8. 0
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 2, 8 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 26 21:33 EDT 2021. Contains 348269 sequences. (Running on oeis4.)