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A298029 as a simple table

na(n)
01
13
26
312
418
533
639
751
857
969
1075
1187
1293
13105
14111
15123
16129
17141
18147
19159
20165
21177
22183
23195
24201
25213
26219
27231
28237
29249
30255
31267
32273
33285
34291
35303
36309
37321
38327
39339
40345
41357
42363
43375
44381
45393
46399
47411
48417
49429
50435
51447
52453
53465
54471
55483
56489
57501
58507
59519
60525
61537
62543
63555

[1,3,6,12,18,33,39,51,57,69,75,87,93,105,111,123,
 129,141,147,159,165,177,183,195,201,213,219,231,
 237,249,255,267,273,285,291,303,309,321,327,339,
 345,357,363,375,381,393,399,411,417,429,435,447,
 453,465,471,483,489,501,507,519,525,537,543,555]