Number of n X 2 arrays of occupancy after each element moves to some king-move neighbor.
A221189
Number of n X 2 arrays of occupancy after each element moves to some king-move neighbor.
Terms
- a(0) =1a(1) =31a(2) =318a(3) =3605a(4) =39851a(5) =441912a(6) =4896043a(7) =54248371a(8) =601050906a(9) =6659404865a(10) =73783381595a(11) =817488259440
External references
- oeis: A221189