A121788 - OEIS

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A121788

"Crossing Hamiltonian walks" on the square lattice (see Jensen web site for further information).

2, 2, 32, 104, 10180, 111712, 67590888, 2688307514, 9628765945000, 1445778936756068, 29725924602729604016, 17337631013706758184626, 1998903003325610328086958408, 4628650743368437273677525554148

(list; graph; refs; listen; history; text; internal format)

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

I. Jensen, Crossing Hamiltonian walks

CROSSREFS

Sequence in context: A353911 A303568 A353928 * A018976 A074127 A297795

Adjacent sequences: A121785 A121786 A121787 * A121789 A121790 A121791

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 30 2006

STATUS

approved