T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1, and 2 introduced before 3 in row major order.

A204301

T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1, and 2 introduced before 3 in row major order.

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) =80a(13) =16a(14) =0a(15) =0a(16) =68a(17) =160a(18) =160a(19) =68a(20) =0a(21) =0a(22) =212a(23) =2816a(24) =5956a(25) =2816a(26) =212a(27) =0a(28) =0a(29) =776

External references