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A047497 as a simple table

na(n)
11
22
34
45
57
69
710
812
913
1015
1117
1218
1320
1421
1523
1625
1726
1828
1929
2031
2133
2234
2336
2437
2539
2641
2742
2844
2945
3047
3149
3250
3352
3453
3555
3657
3758
3860
3961
4063
4165
4266
4368
4469
4571
4673
4774
4876
4977
5079
5181
5282
5384
5485
5587
5689
5790
5892
5993
6095
6197
6298
63100
64101
65103

[1,2,4,5,7,9,10,12,13,15,17,18,20,21,23,25,26,28,
 29,31,33,34,36,37,39,41,42,44,45,47,49,50,52,53,
 55,57,58,60,61,63,65,66,68,69,71,73,74,76,77,79,
 81,82,84,85,87,89,90,92,93,95,97,98,100,101,103]