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A145156
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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.
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3
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1, 5, 38, 160, 824, 3501, 16262, 68591, 304177, 1276805, 5522791, 23117164, 98562435, 411870513, 1740941765
(list; graph; refs; listen; history; internal format)
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