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A131339 Number of non-invertible pretzel knots with n crossings. 0
1, 4, 17, 51, 155, 427, 1152, 2983 (list; graph; refs; listen; history; text; internal format)
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: A184445 A334694 A228960 * A047668 A208658 A092091

Adjacent sequences:  A131336 A131337 A131338 * A131340 A131341 A131342

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 26 2008

STATUS

approved

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Last modified June 13 20:01 EDT 2021. Contains 345009 sequences. (Running on oeis4.)