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

A221087

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

Terms

    a(0) =0a(1) =1a(2) =0a(3) =2a(4) =4a(5) =0a(6) =4a(7) =24a(8) =16a(9) =0a(10) =8a(11) =169a(12) =270a(13) =64a(14) =0a(15) =16a(16) =1155a(17) =6889a(18) =3024a(19) =256a(20) =0a(21) =32a(22) =7921a(23) =154440a(24) =279841a(25) =33858a(26) =1024a(27) =0a(28) =64a(29) =54288

External references