T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.

A217273

T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =2a(4) =9a(5) =2a(6) =4a(7) =64a(8) =64a(9) =4a(10) =8a(11) =441a(12) =1472a(13) =441a(14) =8a(15) =16a(16) =3025a(17) =33856a(18) =33856a(19) =3025a(20) =16a(21) =32a(22) =20736a(23) =772800a(24) =2572816a(25) =772800a(26) =20736a(27) =32a(28) =64a(29) =142129

External references