T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

A305642

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =4a(5) =4a(6) =8a(7) =14a(8) =14a(9) =8a(10) =16a(11) =28a(12) =29a(13) =28a(14) =16a(15) =32a(16) =94a(17) =78a(18) =78a(19) =94a(20) =32a(21) =64a(22) =284a(23) =255a(24) =334a(25) =255a(26) =284a(27) =64a(28) =128a(29) =752

External references