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A068727 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -2 .. 2. +0
1
1, 5, 247, 160403, 1305759171, 134771061592765, 176541437214450498265, 2940055615889904390546839103 (list; graph; listen)
OFFSET

1,2

CROSSREFS

By size 3 X 3, ..., 6 X 6 A068722-A068725, by velocity limit 1..13 A068726-A068738.

Sequence in context: A085115 A097323 A125533 this_sequence A135095 A115739 A142202

Adjacent sequences: A068724 A068725 A068726 this_sequence A068728 A068729 A068730

KEYWORD

nonn

AUTHOR

Ron Hardin (rhh(AT)cadence.com), Feb 26 2002

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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