Number of nX7 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
A206862
Number of nX7 0..2 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal.
Terms
- a(0) =1465a(1) =2146225a(2) =1090023439a(3) =541018725304
External references
- oeis: A206862