[tex]4^{4}[/tex], [tex]4^{3}[/tex], 4², [tex]4^{1}[/tex]
continuing the sequence, the next three terms will be
[tex]4^{0}[/tex], [tex]4^{- 1}[/tex], [tex]4^{- 2}[/tex]
the sequence is 256, 64, 16, 4, 1, [tex]\frac{1}{4}[/tex], [tex]\frac{1}{16}[/tex]
