A067641 - OEIS

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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

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OFFSET

0,1

LINKS

Table of n, a(n) for n=0..17.

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

CROSSREFS

Sequence in context: A115489 A367939 A105493 * A279462 A037566 A125857

Adjacent sequences: A067638 A067639 A067640 * A067642 A067643 A067644

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 05 2002

STATUS

approved