Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2.
A221339
Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2.
Terms
- a(0) =0a(1) =85a(2) =1828a(3) =49197a(4) =1160820a(5) =27492106a(6) =645919942a(7) =15174148882a(8) =356331648780
External references
- oeis: A221339