T(n,k)=Number of nXk binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.

A203285

T(n,k)=Number of nXk binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =4a(5) =0a(6) =0a(7) =4a(8) =4a(9) =0a(10) =0a(11) =16a(12) =28a(13) =16a(14) =0a(15) =0a(16) =36a(17) =64a(18) =64a(19) =36a(20) =0a(21) =0a(22) =100a(23) =372a(24) =676a(25) =372a(26) =100a(27) =0a(28) =0a(29) =256

External references