T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction.
A221429
T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor, without consecutive moves in the same direction.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =0a(4) =9a(5) =0a(6) =1a(7) =42a(8) =42a(9) =1a(10) =0a(11) =217a(12) =236a(13) =217a(14) =0a(15) =1a(16) =1116a(17) =4390a(18) =4390a(19) =1116a(20) =1a(21) =0a(22) =5722a(23) =46288a(24) =194879a(25) =46288a(26) =5722a(27) =0a(28) =1a(29) =29383
External references
- oeis: A221429