Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.
A208559
Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.
Terms
- a(0) =20a(1) =400a(2) =1260a(3) =11020a(4) =52000a(5) =351140a(6) =1913940a(7) =11836400a(8) =67894220a(9) =407225740a(10) =2378376000a(11) =14112662980a(12) =82952260180a(13) =490344818000
External references
- oeis: A208559