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A161670 as a simple table

na(n)
13
25
33
42
513
65
723
810
93
105
1113
1220
1338
145
155
1656
172
1823
1913
203
2135
2280
2315
245
2592
2653
2713
2823
2938
3010
31129
325
337
3413
3577
3656
375
3830
3923
4089
41187
4213
43215
4420
453
4648
4738
4880
49126
5023
515
52263
5310
5492
5522
5656
5713
582
59329
6023
6172
62365
63184
6438
6513
6640
67129
68212
69398
7084
715
7223
7335

[3,5,3,2,13,5,23,10,3,5,13,20,38,5,5,56,2,23,13,3,
 35,80,15,5,92,53,13,23,38,10,129,5,7,13,77,56,5,
 30,23,89,187,13,215,20,3,48,38,80,126,23,5,263,10,
 92,22,56,13,2,329,23,72,365,184,38,13,40,129,212,
 398,84,5,23,35]