T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A305223

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =3a(5) =0a(6) =0a(7) =4a(8) =4a(9) =0a(10) =0a(11) =9a(12) =8a(13) =9a(14) =0a(15) =0a(16) =18a(17) =15a(18) =15a(19) =18a(20) =0a(21) =0a(22) =33a(23) =31a(24) =49a(25) =31a(26) =33a(27) =0a(28) =0a(29) =72

External references