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

A068735

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

Terms

    a(0) =1a(1) =21a(2) =73151a(3) =57201104003

External references