T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

A231651

T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

Terms

    a(0) =3a(1) =3a(2) =3a(3) =9a(4) =35a(5) =9a(6) =22a(7) =104a(8) =104a(9) =22a(10) =51a(11) =341a(12) =920a(13) =341a(14) =51a(15) =121a(16) =1189a(17) =7682a(18) =7682a(19) =1189a(20) =121a(21) =292a(22) =4040a(23) =61574a(24) =137961a(25) =61574a(26) =4040a(27) =292a(28) =704a(29) =13560

External references