Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
A207922
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =42a(1) =1764a(2) =12994a(3) =101069a(4) =628945a(5) =4105063a(6) =28188778a(7) =187980955a(8) =1245595210a(9) =8342244698a(10) =55794408879a(11) =372138707621
External references
- oeis: A207922