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A151554 as a simple table

na(n)
01
13
23
33
44
56
65
73
84
96
106
117
1210
1311
147
153
164
176
186
197
2010
2111
228
237
2410
2512
2613
2717
2821
2918
309
313
324
336
346
357
3610
3711
388
397
4010
4112
4213
4317
4421
4518
4610
477
4810
4912
5013
5117
5221
5319
5415
5517
5622
5725
5830
5938
6039
6127
6211
633
644
656
666
677
6810
6911
708
717
7210
7312
7413
7517
7621
7718
7810
797
8010
8112
8213

[1,3,3,3,4,6,5,3,4,6,6,7,10,11,7,3,4,6,6,7,10,11,
 8,7,10,12,13,17,21,18,9,3,4,6,6,7,10,11,8,7,10,12,
 13,17,21,18,10,7,10,12,13,17,21,19,15,17,22,25,30,
 38,39,27,11,3,4,6,6,7,10,11,8,7,10,12,13,17,21,18,
 10,7,10,12,13]