Number of nX4 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically.
A207178
Number of nX4 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically.
Terms
- a(0) =13a(1) =169a(2) =1393a(3) =11227a(4) =95299a(5) =816667a(6) =6951227a(7) =59040685a(8) =501829587a(9) =4267306637a(10) =36285226037a(11) =308510297123
External references
- oeis: A207178