The On-Line Encyclopedia of Integer Sequences (OEIS)

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A062386

Number of alternating link diagrams with n crossings, 1 connected component and two external legs.
(history; published version)

#4 by Russ Cox at Fri Mar 30 16:49:06 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Feb 09 2002

Discussion

Fri Mar 30

16:49

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

N. J. A. Sloane (njas, (AT)research.att.com), Feb 09 2002

#2 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

Alternating Number of alternating link diagrams with n crossings, 1 connected component and two external legs.

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

NAME

Alternating link diagrams with n crossings, 1 connected component and two external legs.

DATA

1, 12, 114, 1030, 9290, 84840, 787082, 7415814, 70867212, 685839770, 6712285600, 66349573368, 661680191832, 6651030871168, 67329662060890, 685953949494774, 7028941367108708, 72403769391718890

OFFSET

2,2

LINKS

J. L. Jacobsen and P. Zinn-Justin, <a href="http://arXiv.org/abs/math-ph/0104009">A Transfer Matrix approach to the Enumeration of Colored Links</a>, J. Knot Theory, 10 (2001), 1233-1267.

CROSSREFS

A column of A062038.

KEYWORD

nonn

AUTHOR

njas, Feb 09 2002

STATUS

approved