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A039211 as a simple table

na(n)
11
23
34
45
56
67
78
89
910
1011
1113
1215
1316
1417
1518
1619
1720
1821
1922
2023
2124
2237
2339
2440
2541
2642
2743
2844
2945
3046
3147
3249
3351
3452
3553
3654
3755
3856
3957
4058
4159
4261
4363
4464
4565
4666
4767
4868
4969
5070
5171
5273
5375
5476
5577
5678
5779
5880
5981
6082
6183
6285
6387
6488
6589
6690
6791
6892
6993
7094

[1,3,4,5,6,7,8,9,10,11,13,15,16,17,18,19,20,21,22,
 23,24,37,39,40,41,42,43,44,45,46,47,49,51,52,53,
 54,55,56,57,58,59,61,63,64,65,66,67,68,69,70,71,
 73,75,76,77,78,79,80,81,82,83,85,87,88,89,90,91,
 92,93,94]