T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without move-in move-out left turns.
A221602
T(n,k)=Number of nXk arrays of occupancy after each element moves to some king-move neighbor, without move-in move-out left turns.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =19a(5) =2a(6) =4a(7) =140a(8) =140a(9) =4a(10) =8a(11) =1206a(12) =4656a(13) =1206a(14) =8a(15) =16a(16) =10020a(17) =154886a(18) =154886a(19) =10020a(20) =16a(21) =32a(22) =84160a(23) =5151998a(24) =19661302a(25) =5151998a(26) =84160a(27) =32a(28) =64a(29) =705156
External references
- oeis: A221602