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A328991 as a simple table

na(n)
11
21221
312212121221
41221212122121221212212121221
5122121212212122121221212122121221212122121221212122121221212212121221

[1,1221,12212121221,1221212122121221212212121221,
 12212121221212212122121212212122121212212122121212\
 2121221212212121221]