<image>Below is a series of "branches" drawn according to a certain pattern. Upon observation, drawing (2) has 2 more "branches" than drawing (1), drawing (3) has 4 more "branches" than drawing (2), drawing (4) has 8 more "branches" than drawing (3). Based on this pattern:
Drawing (5) has ____ more branches than drawing (4);
Drawing (6) has ____ more branches than drawing (5);
Drawing (8) has ____ more branches than drawing (7);
…
Drawing (n+1) has ____ more branches than drawing (n).
