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A146880 as a simple table

na(n)
01
11
21
31
44
51
61
77
87
91
101
116
128
136
141
151
169
1712
1812
199
201
211
228
2319
2422
2519
268
271
281
2911
3025
3139
3239
3325
3411
351
361
3710
3830
3958
4072
4158
4230
4310
441
451
4613
4738
4886
49128
50128
5186
5238
5313
541
551
5612
5749
58122
59212
60254
61212
62122
6349
6412
651

[1,1,1,1,4,1,1,7,7,1,1,6,8,6,1,1,9,12,12,9,1,1,8,
 19,22,19,8,1,1,11,25,39,39,25,11,1,1,10,30,58,72,
 58,30,10,1,1,13,38,86,128,128,86,38,13,1,1,12,49,
 122,212,254,212,122,49,12,1]