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A238628 as a simple table

na(n)
10
21
31
43
52
65
73
88
94
1011
115
1216
136
1421
157
1629
178
1838
199
2051
2110
2266
2311
2488
2512
26113
2713
28148
2914
30190
3115
32246
3316
34313
3517
36402
3718
38508
3919
40646
4120
42812
4321
441023
4522
461277
4723
481598
4924
501982
5125
522461
5326
543036
5527
563745
5728
584593
5929
605633

[0,1,1,3,2,5,3,8,4,11,5,16,6,21,7,29,8,38,9,51,10,
 66,11,88,12,113,13,148,14,190,15,246,16,313,17,
 402,18,508,19,646,20,812,21,1023,22,1277,23,1598,
 24,1982,25,2461,26,3036,27,3745,28,4593,29,5633]