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A047523 as a simple table

na(n)
10
21
37
48
59
615
716
817
923
1024
1125
1231
1332
1433
1539
1640
1741
1847
1948
2049
2155
2256
2357
2463
2564
2665
2771
2872
2973
3079
3180
3281
3387
3488
3589
3695
3796
3897
39103
40104
41105
42111
43112
44113
45119
46120
47121
48127
49128
50129
51135
52136
53137
54143
55144
56145
57151
58152
59153
60159

[0,1,7,8,9,15,16,17,23,24,25,31,32,33,39,40,41,47,
 48,49,55,56,57,63,64,65,71,72,73,79,80,81,87,88,
 89,95,96,97,103,104,105,111,112,113,119,120,121,
 127,128,129,135,136,137,143,144,145,151,152,153,
 159]