Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
A206793
Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
Terms
- a(0) =232a(1) =53824a(2) =8683735a(3) =1382766472a(4) =222851712982
External references
- oeis: A206793