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A091790 as a simple table

n a(n)
1 1221
2 221122
3 2112222112
4 1222211221122221
5 22112211222211222211221122
6 211222211222211221122221122112222112222112
7 12222112211222211221122221122221122112222112222112211222211221122221 

[1221,221122,2112222112,1222211221122221,
 22112211222211222211221122,
 211222211222211221122221122112222112222112,
 12222112211222211221122221122221122112222112222112\
 211222211221122221]

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Last modified April 25 09:31 EDT 2024. Contains 371967 sequences. (Running on oeis4.)