T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.
A207858
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 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) =10a(10) =15a(11) =81a(12) =102a(13) =100a(14) =16a(15) =25a(16) =225a(17) =289a(18) =370a(19) =256a(20) =26a(21) =40a(22) =625a(23) =1071a(24) =1369a(25) =1232a(26) =676a(27) =42a(28) =64a(29) =1600
External references
- oeis: A207858