Number of nX4 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
A206970
Number of nX4 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
Terms
- a(0) =232a(1) =53824a(2) =8685113a(3) =1391081032a(4) =221715091199
External references
- oeis: A206970