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

A220943

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

Terms

    a(0) =0a(1) =1a(2) =1a(3) =2a(4) =20a(5) =2a(6) =4a(7) =208a(8) =208a(9) =4a(10) =8a(11) =2056a(12) =7551a(13) =2056a(14) =8a(15) =16a(16) =20483a(17) =291080a(18) =291080a(19) =20483a(20) =16a(21) =32a(22) =203905a(23) =11115933a(24) =43253705a(25) =11115933a(26) =203905a(27) =32a(28) =64a(29) =2029453

External references