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A112251 as a simple table

na(n)
15
27
310
413
517
621
725
829
936
1041
1146
1251
1356
1461
1567
1673
1779
1885
1991
2097
21103
22109
23115
24121
25127
26134
27141
28148
29155
30162
31169
32176
33183
34190
35197
36204
37211
38218
39225
40232
41239
42246
43253
44257
45265
46273
47281
48289
49297
50305
51313
52321
53329
54337
55345
56353
57361

[5,7,10,13,17,21,25,29,36,41,46,51,56,61,67,73,79,
 85,91,97,103,109,115,121,127,134,141,148,155,162,
 169,176,183,190,197,204,211,218,225,232,239,246,
 253,257,265,273,281,289,297,305,313,321,329,337,
 345,353,361]