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A121788 "Crossing Hamiltonian walks" on the square lattice (see Jensen web site for further information). +0
2
2, 2, 32, 104, 10180, 111712, 67590888, 2688307514, 9628765945000, 1445778936756068, 29725924602729604016, 17337631013706758184626, 1998903003325610328086958408, 4628650743368437273677525554148 (list; graph; listen)
OFFSET

1,1

LINKS

I. Jensen, Table of n, a(n) for n = 1..17 [from the Jensen link below]

I. Jensen, Series Expansions for Self-Avoiding Walks

CROSSREFS

Sequence in context: A012000 A116091 A127262 this_sequence A018976 A074127 A024176

Adjacent sequences: A121785 A121786 A121787 this_sequence A121789 A121790 A121791

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 30 2006

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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