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A068730 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -5 .. 5. 0
1, 11, 5551, 173429597, 322309309862183 (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: A147668 A177804 A023334 * A167068 A199646 A080050

Adjacent sequences:  A068727 A068728 A068729 * A068731 A068732 A068733

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 15:17 EST 2012. Contains 205823 sequences.