(4−1)⋅(4+1)⋅(42+1)⋅(44+1)⋅(48+1)−416+48
(4−1)⋅(4+1)⋅(42+1)⋅(44+1)⋅(48+1)−416+48=
=3*5*43*45*49-416+48=1421857