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A181396 Summed lengths of nonintersecting rook paths on a 5 X n board. 6
4, 104, 1206, 13132, 148432, 1692480, 18893254, 205592002, 2192518424, 23040437586, 239444000256, 2466260663869, 25213885065100, 256147799888040, 2588077377850470, 26026306944344453, 260646721044701192, 2600801818956016811, 25867424061321255322, 256529866716776061643 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Paths are self-avoiding from one corner to the diagonally opposite corner.
LINKS
CROSSREFS
Row 5 of A181399.
Enumeration of these paths is A007787, related sequences A181394, A181395, A181397, A181398.
Sequence in context: A281534 A006415 A333434 * A354063 A196979 A197164
KEYWORD
nonn
AUTHOR
David Scambler, Oct 17 2010
EXTENSIONS
Terms a(8) and beyond from Andrew Howroyd, Jan 06 2020
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)