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A141663 as a simple table

na(n)
12
23
32
45
54
61
77
86
93
102
1111
1210
137
142
155
1613
1712
189
194
203
2112
2217
2316
2413
258
261
278
2819
2919
3018
3115
3210
333
346
3517
3630
3723
3822
3919
4014
417
422
4313
4426
4541
4629
4728
4825
4920
5013
514
527
5320
5435
5552
5631
5730
5827
5922
6015
616
625
6318
6433
6550
6669

[2,3,2,5,4,1,7,6,3,2,11,10,7,2,5,13,12,9,4,3,12,
 17,16,13,8,1,8,19,19,18,15,10,3,6,17,30,23,22,19,
 14,7,2,13,26,41,29,28,25,20,13,4,7,20,35,52,31,30,
 27,22,15,6,5,18,33,50,69]