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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, 5, 247, 160403, 1305759171, 134771061592765, 176541437214450498265, 2940055615889904390546839103 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

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

Sequence in context: A097323 A166943 A125533 * A135095 A115739 A142202

Adjacent sequences:  A068724 A068725 A068726 * A068728 A068729 A068730

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Feb 26 2002

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.