$$
\begin{array}{rrrrrrr}
1, & 2, & 4, & 8, & 16, & 32, & 64,   \\\\
3, & 6, & 12, & 24, & 48, & 0, & 0,   \\\\
9, & 18, & 36, & 72, & 0, & 0, & 0,   \\\\
27, & 54, & \color{purple}{5}, & \color{purple}{10}, & \color{purple}{20}, & \color{purple}{40}, & 0,   \\\\
81, & 0, & \color{purple}{15} & \color{purple}{30}, \\\\
   \\\\
   \hline
    \\\\
7, & 14, & 28, & 56, & 0, & \color{purple}{45}, & 0,   \\\\
21, & 42, & 0, & 0, & 0, & 0, & 0,   \\\\
\color{darkred}{?}63\color{darkred}{¿25?}, & 0, & 0, & 0, & 0, & 0, & 0,   \\\\
0, & 0, & \color{purple}{35}, & 0, & 0, & 0, & 0,   \\\\
0, & 0, & 0, & 0,   \\\\
   \\\\
   \hline
    \\\\
49\hphantom{,} \\\\
\end{array}
$$