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A047574 as a simple table

na(n)
15
26
37
413
514
615
721
822
923
1029
1130
1231
1337
1438
1539
1645
1746
1847
1953
2054
2155
2261
2362
2463
2569
2670
2771
2877
2978
3079
3185
3286
3387
3493
3594
3695
37101
38102
39103
40109
41110
42111
43117
44118
45119
46125
47126
48127
49133
50134
51135
52141
53142
54143
55149
56150
57151
58157
59158
60159

[5,6,7,13,14,15,21,22,23,29,30,31,37,38,39,45,46,
 47,53,54,55,61,62,63,69,70,71,77,78,79,85,86,87,
 93,94,95,101,102,103,109,110,111,117,118,119,125,
 126,127,133,134,135,141,142,143,149,150,151,157,
 158,159]