T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2.
A221361
T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =5a(5) =0a(6) =0a(7) =39a(8) =39a(9) =0a(10) =0a(11) =292a(12) =791a(13) =292a(14) =0a(15) =0a(16) =2088a(17) =18738a(18) =18738a(19) =2088a(20) =0a(21) =0a(22) =14799a(23) =410571a(24) =1388784a(25) =410571a(26) =14799a(27) =0a(28) =0a(29) =104532
External references
- oeis: A221361