A068735 - OEIS

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A068735

Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -10 .. 10.

%I #10 Mar 10 2024 00:20:43

%S 1,21,73151,57201104003,9661874271897648847

%N Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -10 .. 10.

%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(5) from _Sean A. Irvine_, Mar 09 2024