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A068726 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -1 .. 1. 17
1, 3, 35, 2053, 569397, 758541101, 4855339973053, 149596683621380451, 22207207625437795523567, 15894065026795563049567474623, 54873022990102933765115144179983347 (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: A006098 A012499 A125530 * A093583 A184458 A132940

Adjacent sequences:  A068723 A068724 A068725 * A068727 A068728 A068729

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 13:48 EST 2012. Contains 205921 sequences.