Number of nX2 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
A221103
Number of nX2 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops.
Terms
- a(0) =0a(1) =13a(2) =141a(3) =1570a(4) =16336a(5) =168102a(6) =1719791a(7) =17563383a(8) =179239960a(9) =1828745024a(10) =18656531088a(11) =190324103929
External references
- oeis: A221103