Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically.
A206993
Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 1 1 1 vertically.
Terms
- a(0) =81a(1) =6561a(2) =80070a(3) =2371090a(4) =60684900a(5) =1482397764a(6) =37849652838a(7) =954576893140
External references
- oeis: A206993