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A068738
Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -13 .. 13.
35
1, 27, 199655, 547436323149, 535691029084640060219
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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:
A008974
A308537
A281956
*
A132649
A086166
A132661
Adjacent sequences:
A068735
A068736
A068737
*
A068739
A068740
A068741
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 May 16 20:35 EDT 2024. Contains 372555 sequences. (Running on oeis4.)