T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

A305015

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =2a(7) =11a(8) =11a(9) =2a(10) =3a(11) =10a(12) =14a(13) =10a(14) =3a(15) =5a(16) =51a(17) =31a(18) =31a(19) =51a(20) =5a(21) =8a(22) =165a(23) =99a(24) =42a(25) =99a(26) =165a(27) =8a(28) =13a(29) =306

External references