A094031 Number of n-crossing 2 component links with alternating braids of 3 strands.

0, 1, 0, 5, 0, 18, 0, 57, 0, 183, 0, 604, 0, 2047, 0, 7145, 0, 25471, 0, 92193

Offset

4,4

References

K. Murasugi and B. J. Kurpita, A Study of Braids, Kluwer Academic Publishers (1999), pp. 127-166

Links

Table of n, a(n) for n=4..23.

T. A. Gittings, Minimum braids: a complete invariant of knots and links.

V. F. R. Jones, Hecke algebra representations of braid groups and link polynomials, Ann. of Math., 126 (1987), pp. 335-388.

Crossrefs

Cf. A094029, A094030, A094032.

Sequence in context: A093782 A085105 A368061 * A022902 A291926 A056461

Adjacent sequences: A094028 A094029 A094030 * A094032 A094033 A094034

Keyword

nonn,more

Author

Thomas A. Gittings, Apr 22 2004

Status

approved