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A067641 Column 1 of table in A067640. 1
2, 20, 174, 1504, 13300, 120744, 1122198, 10638464, 102541428, 1002305040, 9914663308, 99085515840, 999104604784, 10153152363648, 103892246982390, 1069610792999424, 11072575568623300, 115189593628215600 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

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

CROSSREFS

Sequence in context: A144485 A115489 A105493 * A037566 A125857 A171076

Adjacent sequences:  A067638 A067639 A067640 * A067642 A067643 A067644

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 05 2002

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Last modified February 17 23:46 EST 2012. Contains 206085 sequences.