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A014585 Number of Hamiltonian paths in a 5 X n grid. 0
0, 0, 1, 4, 23, 86, 397, 1584, 6820, 28002, 117852, 488824, 2043133, 8502298, 35463855, 147729456, 615817511, 2566065066, 10694840588, 44568760860, 185743671308, 774073998864, 3225960662493, 13444082934608 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

REFERENCES

K. L. Collins and L. B. Krompart, The number of Hamiltonian paths in a rectangular grid, Discrete Math. 169 (1997), 29-38.

FORMULA

The reference gives a generating function.

CROSSREFS

Sequence in context: A065972 A132112 A071246 * A197854 A122738 A038381

Adjacent sequences:  A014582 A014583 A014584 * A014586 A014587 A014588

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 21:30 EST 2012. Contains 205971 sequences.