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A013996 Number of edge-disjoint paths between opposite corners of 7xn grid. +0
1
1, 1, 128, 33850, 18787340, 13662905466, 10816244385930, 8900924886661736, 7466577706821521924, 6332745788043635410871, 5399881205287667310503858, 4621213692709052543074522862 (list; graph; listen)
OFFSET

0,3
REFERENCES

rec.puzzles Dec 10 1995.

CROSSREFS

Sequence in context: A144321 A051251 A067822 this_sequence A016795 A016831 A103348

Adjacent sequences: A013993 A013994 A013995 this_sequence A013997 A013998 A013999

KEYWORD

nonn,hard

AUTHOR

Dan Hoey (Hoey(AT)AIC.NRL.Navy.Mil)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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