Number of n X 7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
A207773
Number of n X 7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.
Terms
- a(0) =42a(1) =1764a(2) =8928a(3) =43260a(4) =240346a(5) =1246206a(6) =6513576a(7) =35632160a(8) =198768426a(9) =1120451746a(10) =6383202712a(11) =36626389034a(12) =211006949114
External references
- oeis: A207773