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A238281 as a simple table

na(n)
10
21
32
41
52
63
73
81
95
102
114
124
138
143
157
164
174
184
192
203
217
223
2310
244
2512
267
277
2815
297
309
318
325
338
349
3511
368
378
3810
398
404
4110
4210
4310
4411
457
4610
478
4811
498
508
519
529
538
5411
557
568
5713
5810
598
6014
6113
624
6314
648
6511
6612
6714
6812
698
7010
7116
7212
7316
7412
7514
7619
7711
7814
798
809

[0,1,2,1,2,3,3,1,5,2,4,4,8,3,7,4,4,4,2,3,7,3,10,4,
 12,7,7,15,7,9,8,5,8,9,11,8,8,10,8,4,10,10,10,11,7,
 10,8,11,8,8,9,9,8,11,7,8,13,10,8,14,13,4,14,8,11,
 12,14,12,8,10,16,12,16,12,14,19,11,14,8,9]