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 A014585 Number of Hamiltonian paths in a 5 X n grid starting in the lower left corner and ending in the lower right. 6
 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; text; internal format)
 OFFSET 0,4 COMMENTS The difference between A014584 and A014585 needs to be clarified. - N. J. A. Sloane, Feb 08 2013 The difference is that A014584 counts paths starting in the LL finishing in the UR. A014585 counts paths starting in the LL finishing the LR. - Ruben Zilibowitz, Jul 05 2015 LINKS Table of n, a(n) for n=0..23. K. L. Collins and L. B. Krompart, The number of Hamiltonian paths in a rectangular grid, Discrete Math. 169 (1997), 29-38. Index entries for sequences related to graphs, Hamiltonian FORMULA The reference gives a generating function. CROSSREFS Column 5 of A271592. Cf. A000532, A181689, A014584, A014524, A003778, A006865. Sequence in context: A219465 A317120 A220647 * A305588 A317006 A227260 Adjacent sequences: A014582 A014583 A014584 * A014586 A014587 A014588 KEYWORD nonn AUTHOR N. J. A. Sloane. EXTENSIONS Definition clarified by Ruben Zilibowitz, Jul 05 2015 STATUS approved

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Last modified September 15 02:48 EDT 2024. Contains 375931 sequences. (Running on oeis4.)