Number of 4-turn queen's tours on an n X n board summed over all starting positions.
A186967
Number of 4-turn queen's tours on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =24a(2) =1344a(3) =10440a(4) =43424a(5) =130592a(6) =320880a(7) =686384a(8) =1326848a(9) =2374152a(10) =3996832
External references
- oeis: A186967