T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.
A221937
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =6a(4) =17a(5) =1a(6) =13a(7) =105a(8) =91a(9) =1a(10) =28a(11) =783a(12) =1599a(13) =489a(14) =1a(15) =60a(16) =5622a(17) =36467a(18) =24535a(19) =2627a(20) =1a(21) =129a(22) =40608a(23) =799632a(24) =1759041a(25) =376389a(26) =14113a(27) =1a(28) =277a(29) =293084
External references
- oeis: A221937