T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, without consecutive moves in the same direction.
A221688
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, without consecutive moves in the same direction.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =6a(4) =35a(5) =6a(6) =13a(7) =396a(8) =396a(9) =13a(10) =28a(11) =4429a(12) =17480a(13) =4429a(14) =28a(15) =60a(16) =49387a(17) =780692a(18) =780692a(19) =49387a(20) =60a(21) =129a(22) =550264a(23) =34704624a(24) =140268025a(25) =34704624a(26) =550264a(27) =129a(28) =277a(29) =6129659
External references
- oeis: A221688