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A070673 as a simple table

na(n)
11
21
32
43
52
65
76
83
98
103
1110
125
135
1413
152
163
172
1817
1918
203
218
2221
2322
245
257
265
2726
2813
2912
307
3130
323
3310
349
356
3617
376
3837
395
403
413
4213
4342
4421
458
4645
4746
485
4948
507
512
525
5323
5453
5512
5613
5720
5817
5958
607
6111
6261
638
647
658
6623
6766
689
6922
7013
7170
7217
7310
7431
757
7637

[1,1,2,3,2,5,6,3,8,3,10,5,5,13,2,3,2,17,18,3,8,21,
 22,5,7,5,26,13,12,7,30,3,10,9,6,17,6,37,5,3,3,13,
 42,21,8,45,46,5,48,7,2,5,23,53,12,13,20,17,58,7,
 11,61,8,7,8,23,66,9,22,13,70,17,10,31,7,37]