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A169616 as a simple table

na(n)
12
23
32
45
53
62
78
84
93
102
1113
127
134
143
152
1621
1711
187
194
203
212
2234
2317
2411
257
264
273
282
2955
3028
3118
3211
337
344
353
362
3789
3845
3930
4018
4111
427
434
443
452
46144
4772
4848
4929
5018
5111
527
534
543
552
56233
57117
5878
5947
6029
6118
6211
637
644
653
662
67377
68189
69126
7075
7147
7229
7318
7411
757
764
773
782
79610
80305
81203
82122
8376
8447
8529
8618
8711
887
894
903
912

[2,3,2,5,3,2,8,4,3,2,13,7,4,3,2,21,11,7,4,3,2,34,
 17,11,7,4,3,2,55,28,18,11,7,4,3,2,89,45,30,18,11,
 7,4,3,2,144,72,48,29,18,11,7,4,3,2,233,117,78,47,
 29,18,11,7,4,3,2,377,189,126,75,47,29,18,11,7,4,3,
 2,610,305,203,122,76,47,29,18,11,7,4,3,2]