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A323853 Number of figure 8's having 2n edges in one loop and 6 edges in the other and which are weakly embeddable in the square lattice. 1
2, 8, 64, 288, 1408, 7248, 39056 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
S. G. Whittington and J. P. Valleau, Figure eights on the square lattice: enumeration and Monte Carlo estimation, J. Phys. A 3 (1970), 21-27. See Table 1.
CROSSREFS
Column 2 of triangle in A323852.
Sequence in context: A110708 A295232 A287229 * A354276 A353821 A354237
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 09 2019
STATUS
approved

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)