User blog comment:Alejandro Magno/Make an extension of the notation remake 2/@comment-5029411-20141022235015/@comment-25371339-20141023003711

Extension 5:

a[n;m] = a[n,(n,(...,(n),...),n),n] with m levels

a[n,;m] = a[n;n;n;...;n;n;n] with m entries

a[n;,m] = a[n,(n,(...,(n),...),n),;n] with m levels

a[n;(1);m] = a[n;;;...;;;m] with m ;'s

etc.