Number of ways to place 7 nonattacking wazirs on an n X n board.
A201507
Number of ways to place 7 nonattacking wazirs on an n X n board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =20a(4) =12798a(5) =763144a(6) =15516804a(7) =170842828a(8) =1264750240a(9) =7084450248a(10) =32251861624a(11) =125030824732a(12) =426265242412
External references
- oeis: A201507