T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207169
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =6a(4) =16a(5) =6a(6) =9a(7) =36a(8) =36a(9) =8a(10) =13a(11) =81a(12) =90a(13) =64a(14) =10a(15) =19a(16) =169a(17) =261a(18) =168a(19) =100a(20) =12a(21) =28a(22) =361a(23) =624a(24) =603a(25) =270a(26) =144a(27) =14a(28) =41a(29) =784
External references
- oeis: A207169