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A013996
Number of edge-disjoint paths between opposite corners of 7 X n grid.
7
1, 1, 128, 33850, 18787340, 13662905466, 10816244385930, 8900924886661736, 7466577706821521924, 6332745788043635410871, 5399881205287667310503858, 4621213692709052543074522862
OFFSET
0,3
REFERENCES
rec.puzzles Dec 10 1995.
LINKS
CROSSREFS
Sequence in context: A264189 A264076 A067822 * A239648 A364173 A239404
KEYWORD
nonn
AUTHOR
STATUS
approved