Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
A206963
Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal.
Terms
- a(0) =232a(1) =53824a(2) =9499613a(3) =1657999936a(4) =291206601222
External references
- oeis: A206963