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A013997 Number of edge-disjoint paths between opposite corners of 8 X n grid. 7
1, 1, 256, 157534, 233941432, 479251547011, 1088622220193884, 2592366455926147562, 6332745788043635410871, 15681997226277809235573754, 39167604588475049043393511660 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

rec.puzzles Dec 10 1995.

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..50

CROSSREFS

Sequence in context: A222141 A333585 A185924 * A118056 A185563 A220302

Adjacent sequences:  A013994 A013995 A013996 * A013998 A013999 A014000

KEYWORD

nonn

AUTHOR

Dan Hoey

STATUS

approved

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Last modified June 18 18:14 EDT 2021. Contains 345120 sequences. (Running on oeis4.)