A089794 - OEIS

A089794

Number of amphichiral alternating knots with n=2k crossings (k=2,3,4,...).

1, 1, 5, 13, 54

(list; graph; refs; listen; history; text; internal format)

OFFSET

4,3

REFERENCES

Liang C., Mislow K.: On amphicheiral knots. Journal of Mathematical Chemistry 15 (1994), 1-34.

LINKS

Jablan S. and Sazdanovic R., LinKnot.

EXAMPLE

E.g. 22 for n=4; 2112 for n=6; 2222, 3113, 44, 8*, .2.2 for n=8, etc.

CROSSREFS

KEYWORD

nonn

AUTHOR

Slavik Jablan and Radmila Sazdanovic, Jan 09 2004

STATUS

approved