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Search: id:A145156
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A145156 Number of Greek-key tours on a 5 X n board; i.e. self-avoiding walks on 5 X n grid starting in top left corner. +0
4
1, 5, 38, 160, 824, 3501, 16262, 68591, 304177, 1276805, 5522791, 23117164, 98562435, 411870513, 1740941765 (list; graph; listen)
OFFSET

1,2

LINKS

Nathaniel Johnston, Self-avoiding walks table of values

CROSSREFS

Cf. A046994, A046995, A145157

Sequence in context: A086877 A061674 A097276 this_sequence A163698 A129048 A027323

Adjacent sequences: A145153 A145154 A145155 this_sequence A145157 A145158 A145159

KEYWORD

hard,more,nonn

AUTHOR

Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), Oct 03 2008

EXTENSIONS

a(11) - a(15) added by Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), Oct 12 2008

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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