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A039213 as a simple table

na(n)
11
22
33
45
56
67
78
89
910
1011
1113
1214
1315
1417
1518
1619
1720
1821
1922
2023
2125
2226
2327
2429
2530
2631
2732
2833
2934
3035
3137
3238
3339
3441
3542
3643
3744
3845
3946
4047
4148
4261
4362
4463
4565
4666
4767
4868
4969
5070
5171
5273
5374
5475
5577
5678
5779
5880
5981
6082
6183
6285
6386
6487
6589
6690
6791
6892
6993
7094

[1,2,3,5,6,7,8,9,10,11,13,14,15,17,18,19,20,21,22,
 23,25,26,27,29,30,31,32,33,34,35,37,38,39,41,42,
 43,44,45,46,47,48,61,62,63,65,66,67,68,69,70,71,
 73,74,75,77,78,79,80,81,82,83,85,86,87,89,90,91,
 92,93,94]