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A014584 Number of Hamiltonian paths in a 5 X n grid. 2
0, 1, 1, 8, 20, 104, 378, 1670, 6706, 28417, 117204, 490865, 2039569, 8512474, 35444636, 147780722, 615715196, 2566325356, 10694300534, 44570089963, 185740837148, 774080813649, 3225945847829, 13444117980220 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

The difference between A014584 and A014585 needs to be clarified. - N. J. A. Sloane, Feb 08 2013

REFERENCES

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

LINKS

Table of n, a(n) for n=0..23.

Index entries for sequences related to graphs, Hamiltonian

FORMULA

The reference gives a generating function.

CROSSREFS

Cf. A014585.

Sequence in context: A007016 A129550 A215181 * A074472 A175429 A094253

Adjacent sequences:  A014581 A014582 A014583 * A014585 A014586 A014587

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 19 04:51 EDT 2013. Contains 225428 sequences.