\centerline{\circlenode{A}{\Huge24}}
\renewcommand{\arraystretch}{1.5}
\[\begin{array}{|c|c|c|c|c|c|}
  \hline
  2\times6&5\times7&6\times4&3\times7&2\times15&3\times8\\
  \hline
  2\times10&3\times6&7\times4&8\times4&7\times3&3\times9\\
  \hline
  4\times8&6\times7&9\times5&11\times3&6\times5&9\times7\\
  \hline
  2\times5&4\times6&9\times2&4\times7&2\times12&8\times5\\
  \hline
  7\times3&6\times12&4\times13&3\times8&9\times8&7\times5\\
  \hline
  8\times6&3\times4&9\times6&4\times5&4\times6&2\times14\\
  \hline
\end{array}\]
\renewcommand{\arraystretch}{1}