A067643 Column 3 of table in A067640.

70, 2352, 47820, 784672, 11515714, 158295072, 2086803540, 26737722400, 335676172480, 4150940757440, 50739269522864, 614607881444256, 7390867767651290

Offset

0,1

Links

Table of n, a(n) for n=0..12.

J. L. Jacobsen and P. Zinn-Justin, A Transfer Matrix approach to the Enumeration of Knots

Crossrefs

Sequence in context: A163022 A271031 A006437 * A285170 A017786 A035730

Adjacent sequences: A067640 A067641 A067642 * A067644 A067645 A067646

Keyword

nonn

Author

N. J. A. Sloane, Feb 05 2002

Status

approved