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A368550 as a simple table

na(n)
10
21
310
412
521
622
7100
8102
9120
10123
11132
12201
13202
14210
15213
16220
17231
18312
19321
20333
211000
221002
231020
241023
251032
261200
271203
281224
291230
301234
311242
321243
331302
341320
351324
361342
371422
381423
391432
402001
412002
422010
432013
442020
452031
462100
472103
482124
492130
502134
512142
522143

[0,1,10,12,21,22,100,102,120,123,132,201,202,210,
 213,220,231,312,321,333,1000,1002,1020,1023,1032,
 1200,1203,1224,1230,1234,1242,1243,1302,1320,1324,
 1342,1422,1423,1432,2001,2002,2010,2013,2020,2031,
 2100,2103,2124,2130,2134,2142,2143]