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A072974 as a simple table

na(n)
115
221
327
430
551
656
757
863
969
1075
1184
1287
1389
1490
1599
16100
17102
18108
19111
20113
21123
22124
23129
24130
25132
26135
27138
28139
29153
30156
31159
32165
33166
34171
35183
36192
37195
38197
39201
40207
41210
42215
43216
44220
45221
46232
47246
48251
49258
50263
51264
52267
53273
54279
55283

[15,21,27,30,51,56,57,63,69,75,84,87,89,90,99,100,
 102,108,111,113,123,124,129,130,132,135,138,139,
 153,156,159,165,166,171,183,192,195,197,201,207,
 210,215,216,220,221,232,246,251,258,263,264,267,
 273,279,283]