T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
A207242
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =6a(4) =16a(5) =6a(6) =9a(7) =36a(8) =36a(9) =9a(10) =13a(11) =81a(12) =102a(13) =81a(14) =14a(15) =18a(16) =169a(17) =283a(18) =287a(19) =196a(20) =21a(21) =25a(22) =324a(23) =699a(24) =987a(25) =882a(26) =441a(27) =31a(28) =34a(29) =625
External references
- oeis: A207242