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A068737
Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -12 .. 12.
0
1, 25, 146797, 274074872265, 156588834507399529975
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..5.
CROSSREFS
By size 3 X 3, ..., 6 X 6
A068722
-
A068725
, by velocity limit 1..13
A068726
-
A068738
.
Sequence in context:
A076445
A013835
A211600
*
A151649
A122500
A347812
Adjacent sequences:
A068734
A068735
A068736
*
A068738
A068739
A068740
KEYWORD
nonn
,
more
AUTHOR
R. H. Hardin
, Feb 26 2002
EXTENSIONS
a(5) from
Sean A. Irvine
, Mar 10 2024
STATUS
approved
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Last modified July 26 10:50 EDT 2024. Contains 374632 sequences. (Running on oeis4.)