Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -12 .. 12.

A068737

Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -12 .. 12.

Terms

    a(0) =1a(1) =25a(2) =146797a(3) =274074872265

External references