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A238505 as a simple table

na(n)
03
13
23
34
46
56
69
78
810
911
1012
1112
1214
1314
1416
1517
1619
1718
1820
1920
2022
2124
2225
2324
2441
2527
2630
2729
2834
2930
3032
3132
3242
3336
3436
3544
3639
3738
3840
3942
4042
4142
4246
4344
4446
4547
4649
4748
4852
4951
5058
5158
5254
5354
5456
5557
5659
5760
5860
5960
6071
6162
6265
6365
6466
6567
6671

[3,3,3,4,6,6,9,8,10,11,12,12,14,14,16,17,19,18,20,
 20,22,24,25,24,41,27,30,29,34,30,32,32,42,36,36,
 44,39,38,40,42,42,42,46,44,46,47,49,48,52,51,58,
 58,54,54,56,57,59,60,60,60,71,62,65,65,66,67,71]