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A039618 Number of 2n-step self-avoiding closed walks on first octant of 3-dimensional cubic lattice, passing through origin. +0
1
1, 0, 3, 18, 138, 1278, 13410, 154584, 1919352, 25273422, 348989058 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A151383 A118970 A003122 this_sequence A127129 A107708 A123308

Adjacent sequences: A039615 A039616 A039617 this_sequence A039619 A039620 A039621

KEYWORD

nonn,walk

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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