Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -9 .. 9.

A068734

Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -9 .. 9.

Terms

    a(0) =1a(1) =19a(2) =49051a(3) =23279942261

External references