Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
A207455
Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.
Terms
- a(0) =8a(1) =64a(2) =168a(3) =760a(4) =2560a(5) =10088a(6) =36456a(7) =138176a(8) =509960a(9) =1910296a(10) =7096320a(11) =26485576a(12) =98590024a(13) =367542080a(14) =1369032168a(15) =5101852856a(16) =19007490560a(17) =70825236904a(18) =263884411560a(19) =983242576576
External references
- oeis: A207455