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Search: id:A068728
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A068728 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -3 .. 3. +0
1
1, 7, 925, 3096791, 251611610655, 500885416261650533 (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: A093171 A127102 A038808 this_sequence A028990 A151579 A024098

Adjacent sequences: A068725 A068726 A068727 this_sequence A068729 A068730 A068731

KEYWORD

nonn

AUTHOR

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

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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