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A321990 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1121
1222
1331
1441
1551
1661
1771
1881
1991
20111
21211
22221
23311
24411
25511
26611
27711
28811
29911
301111
312111
322211
332412
343111
353313
364111
374212
385111
396111
406213
417111
428111
438214
449111
4511111
4621111
4722111
4822212
4924112
5024121
5128128
5228144

[1,2,3,4,5,6,7,8,9,11,21,22,31,41,51,61,71,81,91,
 111,211,221,311,411,511,611,711,811,911,1111,2111,
 2211,2412,3111,3313,4111,4212,5111,6111,6213,7111,
 8111,8214,9111,11111,21111,22111,22212,24112,
 24121,28128,28144]