Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
A206940
Number of 7Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 1 1 vertically.
Terms
- a(0) =54a(1) =2916a(2) =28081a(3) =783557a(4) =20054092a(5) =348614952a(6) =8138711727a(7) =180107729045
External references
- oeis: A206940