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A121785 "Spanning walks" on the square lattice (see Jensen web site for further information). 7
8, 95, 2320, 154259, 30549774, 17777600753, 30283708455564, 152480475641255213, 2287842813828061810244, 102744826737618542833764649, 13848270995235582268846758977770 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Number of Hamiltonian paths in the graph P_{n+1} X P_{n+1} starting at any of the n+1 vertices on one side of the graph and terminating at any of the n+1 vertices on the opposite side. - Andrew Howroyd, Apr 10 2016

LINKS

I. Jensen, Table of n, a(n) for n = 1..19 [from the Jensen link below]

I. Jensen, Series Expansions for Self-Avoiding Walks

CROSSREFS

Cf. A000532, A001184, A121789, A215527.

Sequence in context: A262737 A299747 A300261 * A305587 A229294 A241813

Adjacent sequences:  A121782 A121783 A121784 * A121786 A121787 A121788

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 30 2006

STATUS

approved

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Last modified November 19 02:01 EST 2018. Contains 317332 sequences. (Running on oeis4.)