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A049487 Number of maximal-length non-crossing paths on n X n square lattice. 2
0, 2, 38, 13, 1674, 790526 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A049486.

Sequence in context: A201556 A284309 A227468 * A163792 A050899 A068401

Adjacent sequences:  A049484 A049485 A049486 * A049488 A049489 A049490

KEYWORD

nonn,walk,nice,hard

AUTHOR

Arlin Anderson (starship1(AT)gmail.com)

STATUS

approved

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Last modified August 1 14:44 EDT 2021. Contains 346393 sequences. (Running on oeis4.)