Number of 4Xn 0..3 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.
A206976
Number of 4Xn 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) =8688551a(3) =1391081032a(4) =223912418544
External references
- oeis: A206976