Number of nX2 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.
A206571
Number of nX2 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =16a(1) =256a(2) =3721a(3) =53824a(4) =777924a(5) =11242609a(6) =162486009a(7) =2348371600a(8) =33940324441a(9) =490529342884
External references
- oeis: A206571