On the edge of our plenum you see a special arrangement of zeros and ones made of wood. Think of any sequence of exactly six zeros and ones, e.g. 100110. Find your invented sequence on the edge of the plenary. Can you find it only once? This wooden zero-one sequence is an example of a so-called de Bruijn sequence.
The Sanskrit artificial word Yamātārājabhānasalagā, which we have chosen as a name, also describes a de Bruijn sequence, here of short and long syllables. If you look only at the vowels, you get the sequence
a ā ā ā a ā a a a ā.
In it, each three-element subsequence occurs exactly once:
a ā ā, ā ā ā, ā ā a, ā a ā, a ā a, ā a a, a a a, a a ā.
The back of the plenary explains how this sequence is constructed.