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A323083 as a simple table

na(n)
10
21
312
421
522422
624223
733333
834441524
94242436235
1023443535352
1134462443242
1235256523324
134341535435353
144645441523344
155244526446515
165335524234335

[0,1,12,21,22422,24223,33333,34441524,4242436235,
 23443535352,34462443242,35256523324,4341535435353,
 4645441523344,5244526446515,5335524234335]