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A047556 as a simple table

na(n)
13
26
37
411
514
615
719
822
923
1027
1130
1231
1335
1438
1539
1643
1746
1847
1951
2054
2155
2259
2362
2463
2567
2670
2771
2875
2978
3079
3183
3286
3387
3491
3594
3695
3799
38102
39103
40107
41110
42111
43115
44118
45119
46123
47126
48127
49131
50134
51135
52139
53142
54143
55147
56150
57151
58155
59158
60159

[3,6,7,11,14,15,19,22,23,27,30,31,35,38,39,43,46,
 47,51,54,55,59,62,63,67,70,71,75,78,79,83,86,87,
 91,94,95,99,102,103,107,110,111,115,118,119,123,
 126,127,131,134,135,139,142,143,147,150,151,155,
 158,159]