Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -5 .. 5.

A068730

Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -5 .. 5.

Terms

    a(0) =1a(1) =11a(2) =5551a(3) =173429597

External references