Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.
A208557
Number of 5 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.
Terms
- a(0) =12a(1) =144a(2) =420a(3) =2508a(4) =10080a(5) =50052a(6) =221340a(7) =1042416a(8) =4742628a(9) =21989868a(10) =100900800a(11) =465657348a(12) =2142175548a(13) =9872120016a(14) =45450619620a(15) =209366048652a(16) =964140982560
External references
- oeis: A208557