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A047530 as a simple table

na(n)
10
21
33
47
58
69
711
815
916
1017
1119
1223
1324
1425
1527
1631
1732
1833
1935
2039
2140
2241
2343
2447
2548
2649
2751
2855
2956
3057
3159
3263
3364
3465
3567
3671
3772
3873
3975
4079
4180
4281
4383
4487
4588
4689
4791
4895
4996
5097
5199
52103
53104
54105
55107
56111
57112
58113
59115
60119
61120
62121
63123

[0,1,3,7,8,9,11,15,16,17,19,23,24,25,27,31,32,33,
 35,39,40,41,43,47,48,49,51,55,56,57,59,63,64,65,
 67,71,72,73,75,79,80,81,83,87,88,89,91,95,96,97,
 99,103,104,105,107,111,112,113,115,119,120,121,
 123]