T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor.
A221165
T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =8a(4) =33a(5) =8a(6) =21a(7) =352a(8) =352a(9) =21a(10) =55a(11) =3721a(12) =14704a(13) =3721a(14) =55a(15) =144a(16) =39254a(17) =609961a(18) =609961a(19) =39254a(20) =144a(21) =377a(22) =413908a(23) =25266305a(24) =98570764a(25) =25266305a(26) =413908a(27) =377a(28) =987a(29) =4363921
External references
- oeis: A221165