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A053233 as a simple table

na(n)
13
24
35
46
57
68
79
810
911
1012
1113
1214
1315
1416
1517
1618
1719
1820
1921
2022
2124
2225
2326
2427
2528
2629
2730
2833
2934
3035
3136
3237
3340
3441
3542
3643
3744
3845
3946
4047
4148
4249
4350
4451
4552
4653
4755
4856
4957
5058
5160
5261
5362
5463
5564
5665
5766
5869
5970
6071
6172
6273
6376
6477
6578
6679
6780
6881
6982
7083
7185

[3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
 21,22,24,25,26,27,28,29,30,33,34,35,36,37,40,41,
 42,43,44,45,46,47,48,49,50,51,52,53,55,56,57,58,
 60,61,62,63,64,65,66,69,70,71,72,73,76,77,78,79,
 80,81,82,83,85]