Number of nX7 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by 0 1 to the left or above.
A203974
Number of nX7 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by 0 1 to the left or above.
Terms
- a(0) =44a(1) =5569a(2) =1107082a(3) =180623180a(4) =30104480870
External references
- oeis: A203974