T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A317871

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

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

External references