Number of nX5 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.
A207986
Number of nX5 0..2 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically.
Terms
- a(0) =191a(1) =36481a(2) =4827482a(3) =622569385a(4) =81269646503
External references
- oeis: A207986