A(6,6)-C(6,1)×A(5,5)+C(6,2)×A(4,4)-C(6,3)×A(3,3)+C(6,4)×A(2,2)-C(6,5)×A(1,1)+C(6,6)=720-720+360-120+15-6+1=250,有250种排列