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A068729 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -4 .. 4. 0

%I #9 Mar 08 2024 16:07:19

%S 1,9,2501,28905785,13336307324915,247753867499441888279,

%T 185592614324336736251073584343

%N Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -4 .. 4.

%Y By size 3 X 3, ..., 6 X 6 A068722-A068725, by velocity limit 1..13 A068726-A068738.

%K nonn,more

%O 1,2

%A _R. H. Hardin_, Feb 26 2002

%E a(6)-a(7) from _Sean A. Irvine_, Mar 08 2024

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Last modified March 29 09:14 EDT 2024. Contains 371268 sequences. (Running on oeis4.)