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A068735 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -10 .. 10. 0
1, 21, 73151, 57201104003 (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: A189648 A100414 A189310 * A172800 A013768 A203673

Adjacent sequences:  A068732 A068733 A068734 * A068736 A068737 A068738

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 17:51 EST 2012. Contains 206061 sequences.