Number of nX3 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no 2-loops and with no occupancy greater than 2.
A217223
Number of nX3 arrays of occupancy after each element moves to some horizontal or vertical neighbor, with no 2-loops and with no occupancy greater than 2.
Terms
- a(0) =0a(1) =7a(2) =112a(3) =1648a(4) =22914a(5) =311988a(6) =4202440a(7) =56306491a(8) =752377824a(9) =10039480767a(10) =133868165460
External references
- oeis: A217223