Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -4 .. 4.
A068729
Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -4 .. 4.
Terms
- a(0) =1a(1) =9a(2) =2501a(3) =28905785
External references
- oeis: A068729