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A122660 Number of knot polyhedra with 2n nodes. 0
0, 1, 0, 3, 4, 22, 70, 482, 2955, 17901, 114642 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,4

LINKS

Table of n, a(n) for n=2..12.

M. Deza, M. Dutour and P. W. Fowler, Zigzags, railroads and knots in fullerenes, J. Chem. Inf. Comput. Sci., 44 (2004), 1282-1293.

CROSSREFS

Sequence in context: A057791 A167452 A316192 * A163744 A221643 A042595

Adjacent sequences:  A122657 A122658 A122659 * A122661 A122662 A122663

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 22 2006

STATUS

approved

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Last modified July 21 06:55 EDT 2019. Contains 325192 sequences. (Running on oeis4.)