Number of nX4 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
A206896
Number of nX4 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =241a(1) =58081a(2) =11745962a(3) =2408811358a(4) =491471001691
External references
- oeis: A206896