T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

A222794

T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =3a(5) =0a(6) =3a(7) =4a(8) =8a(9) =0a(10) =4a(11) =18a(12) =34a(13) =55a(14) =0a(15) =8a(16) =62a(17) =275a(18) =582a(19) =294a(20) =0a(21) =10a(22) =302a(23) =888a(24) =5896a(25) =3800a(26) =1883a(27) =0a(28) =55a(29) =1246

External references