Number of nX7 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
A207751
Number of nX7 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.
Terms
- a(0) =20a(1) =400a(2) =2340a(3) =9450a(4) =51590a(5) =247860a(6) =1341606a(7) =6978660a(8) =38171520a(9) =206898250a(10) =1147824290a(11) =6372877952a(12) =35814768750a(13) =201958261240
External references
- oeis: A207751