T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically.
A207346
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 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) =13a(11) =81a(12) =84a(13) =100a(14) =16a(15) =18a(16) =169a(17) =192a(18) =292a(19) =256a(20) =26a(21) =25a(22) =324a(23) =426a(24) =828a(25) =912a(26) =676a(27) =42a(28) =34a(29) =625
External references
- oeis: A207346