\newcommand{\pair}[2]{\langle #1, #2\rangle}
  $$\pair{a^2}{\frac{\pi}{2}}$$

  $ chevron.l a^2 \, pi / 2 chevron.r $

  $ angle.l^()frac(pi,)angle.r  $

  #let count = 8
  #let nums = range(1, count + 1)
  #let fib(n) = (
    if n <= 2 { 1 }
    else { fib(n - 1) + fib(n - 2) }
  )

  The first #count numbers of the sequence are:

  #align(center, table(
    columns: count,
    ..nums.map(n => $F_#n$),
    ..nums.map(n => str(fib(n))),
  ))

  The first 8 numbers of the sequence are:

  {\def\LTcaptype{none} % do not increment counter
  \begin{longtable}[]{@{}llllllll@{}}
  \toprule\noalign{}
  \endhead
  \bottomrule\noalign{}
  \endlastfoot
  \(F_{1}\) & \(F_{2}\) & \(F_{3}\) & \(F_{4}\) & \(F_{5}\) & \(F_{6}\) &
  \(F_{7}\) & \(F_{8}\) \\
  1 & 1 & 2 & 3 & 5 & 8 & 13 & 21 \\
  \end{longtable}
  }

  The first 8 numbers of the sequence are:

  \begin{center}

  \begin{tabular}{|c|}
  \hline
  \hline
  \end{tabular}\end{center}