Number of nX3 arrays of occupancy after each element moves to some king-move neighbor.

A221190

Number of nX3 arrays of occupancy after each element moves to some king-move neighbor.

Terms

    a(0) =2a(1) =318a(2) =12542a(3) =577414a(4) =25530633a(5) =1136389329a(6) =50496693142

External references