Number of nX7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
A207660
Number of nX7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =42a(1) =1764a(2) =8928a(3) =47320a(4) =284272a(5) =1806676a(6) =12327618a(7) =87753008a(8) =651328292a(9) =4960764186a(10) =38639433738a(11) =305186378918
External references
- oeis: A207660