Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.
A207087
Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.
Terms
- a(0) =81a(1) =6561a(2) =248525a(3) =8244759a(4) =243794389a(5) =6897033117a(6) =189659424011
External references
- oeis: A207087