T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

A304551

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =8a(8) =8a(9) =1a(10) =1a(11) =24a(12) =13a(13) =24a(14) =1a(15) =1a(16) =82a(17) =60a(18) =60a(19) =82a(20) =1a(21) =1a(22) =272a(23) =217a(24) =418a(25) =217a(26) =272a(27) =1a(28) =1a(29) =908

External references