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A121790 "Hamiltonian cow patches" on the square lattice (see Jensen web site for further information). 1
0, 6, 81, 2420, 158487, 22668546, 7067228903, 4796951277784, 7083189530689311, 22740544515287098346, 158673902903632923216807, 2405521769596577026409223804, 79215226453280152797069512845071 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

I. Jensen, Table of n, a(n) for n = 1..18 [from the Jensen link below]

I. Jensen, Series Expansions for Self-Avoiding Walks

CROSSREFS

Sequence in context: A252821 A204264 A076282 * A279203 A320993 A032491

Adjacent sequences:  A121787 A121788 A121789 * A121791 A121792 A121793

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 30 2006

STATUS

approved

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Last modified April 15 09:32 EDT 2021. Contains 342977 sequences. (Running on oeis4.)