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A227073 as a simple table

na(n)
11
212
321
422
5123
6132
7213
8231
9312
10321
11333
121224
131234
141242
151243
161324
171342
181422
191423
201432
212124
222134
232142
242143
252214
262241
272244
282314
292341
302412
312413
322421
332424
342431
352442
363124
373142
383214
393241
403412
413421
424122
434123
444132
454212
464213

[1,12,21,22,123,132,213,231,312,321,333,1224,1234,
 1242,1243,1324,1342,1422,1423,1432,2124,2134,2142,
 2143,2214,2241,2244,2314,2341,2412,2413,2421,2424,
 2431,2442,3124,3142,3214,3241,3412,3421,4122,4123,
 4132,4212,4213]