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A064158 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1022
11112
12121
13123
14132
15211
16213
17231
18312
19321
201124
211142
221214
231241
241412
251421
262114
272141
282411
294112
304121
314211
3211125
3311133
3411152
3511215
3611222
3711251
3811313
3911331
4011512
4111521
4212115
4312122
4412151
4512212

[1,2,3,4,5,6,7,8,9,22,112,121,123,132,211,213,231,
 312,321,1124,1142,1214,1241,1412,1421,2114,2141,
 2411,4112,4121,4211,11125,11133,11152,11215,11222,
 11251,11313,11331,11512,11521,12115,12122,12151,
 12212]