Number of nX3 arrays of occupancy after each element moves to some horizontal or vertical neighbor but without 2-loops.
A217341
Number of nX3 arrays of occupancy after each element moves to some horizontal or vertical neighbor but without 2-loops.
Terms
- a(0) =0a(1) =7a(2) =144a(3) =2389a(4) =37114a(5) =561573a(6) =8399702a(7) =124988061a(8) =1855434240a(9) =27513859347a(10) =407794083248
External references
- oeis: A217341