A131339 Number of non-invertible pretzel knots with n crossings.

1, 4, 17, 51, 155, 427, 1152, 2983

Offset

10,2

References

Jablan S. and Sazdanovic R., LinKnot: Knot Theory by Computer, World Scientific Press, 2007. See p. 139.

Links

Table of n, a(n) for n=10..17.

Crossrefs

Sequence in context: A334694 A228960 A370212 * A362173 A047668 A208658

Adjacent sequences: A131336 A131337 A131338 * A131340 A131341 A131342

Keyword

nonn

Author

N. J. A. Sloane, May 26 2008

Status

approved