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A007473 Dimension of space of Vassiliev knot invariants of order n.
(Formerly M0765)
+0
2
1, 1, 2, 3, 6, 10, 19, 33, 60, 104, 184, 316, 548 (list; graph; listen)
OFFSET

0,3

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

D. J. Broadhurst, Conjectured enumeration of Vassiliev invariants.

Jan Kneissler, The number of primitive Vassiliev invariants of degree up to 12

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Bar-Natan, Dror, On the Vassiliev Knot Invariants, Topology 34 (1995) 423-472.

D. Bar-Natan, Bibliography of Vassiliev Invariants

FORMULA

Broadhurst gives a conjectured g.f.

CROSSREFS

Cf. A007293, A007478.

Sequence in context: A144026 A054152 A089985 this_sequence A014595 A079959 A028495

Adjacent sequences: A007470 A007471 A007472 this_sequence A007474 A007475 A007476

KEYWORD

hard,nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

Description corrected by Sergei Duzhin (duzhin(AT)botik.ru), Aug 29 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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