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A067638 Row 3 of table in A067640. 1
42, 1504, 37100, 784672, 15294006, 283730240, 5095814988 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..6.

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

CROSSREFS

Sequence in context: A096048 A215301 A258492 * A155021 A270410 A000502

Adjacent sequences:  A067635 A067636 A067637 * A067639 A067640 A067641

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 05 2002

STATUS

approved

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Last modified June 17 06:06 EDT 2019. Contains 324183 sequences. (Running on oeis4.)