The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #9 Mar 10 2024 20:29:37
%S 1,27,199655,547436323149,535691029084640060219
%N Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -13 .. 13.
%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 10 2024