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A340138 as a simple table

na(n)
10
210
31
411
52
612
73
813
94
1014
115
1215
136
1416
157
1617
178
1818
199
2019
2121
2223
2325
2427
2529
2620
2722
2824
2926
3028
3131
3234
3337
3441
3535
3638
3732
3845
3939
4030
4133
4236
4349
4440
4542
4646
4751
4856
4952
5047
5162
5248
5343
5457
5553
5658
5744
5868
5950
6054
6159
6255
6361
6467
6564
6671
6778
6860

[0,10,1,11,2,12,3,13,4,14,5,15,6,16,7,17,8,18,9,
 19,21,23,25,27,29,20,22,24,26,28,31,34,37,41,35,
 38,32,45,39,30,33,36,49,40,42,46,51,56,52,47,62,
 48,43,57,53,58,44,68,50,54,59,55,61,67,64,71,78,
 60]