T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order.

A222402

T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =3a(7) =0a(8) =0a(9) =3a(10) =4a(11) =9a(12) =4a(13) =9a(14) =4a(15) =8a(16) =0a(17) =35a(18) =35a(19) =0a(20) =8a(21) =10a(22) =92a(23) =0a(24) =162a(25) =0a(26) =92a(27) =10a(28) =50a(29) =0

External references