Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.
A207431
Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =31a(1) =961a(2) =11067a(3) =127449a(4) =2048823a(5) =32936121a(6) =474552171a(7) =6837470721a(8) =102807481767
External references
- oeis: A207431