A062386 Number of alternating link diagrams with n crossings, 1 connected component and two external legs.

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

Offset: 2

Author

N. J. A. Sloane, Feb 09 2002

Keywords

• nonn

Links

• J. L. Jacobsen and P. Zinn-Justin, A Transfer Matrix approach to the Enumeration of Colored Links, J. Knot Theory, 10 (2001), 1233-1267.

Crossrefs

A column of A062038.