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A331131 as a simple table

na(n)
13
29
321
430
548
660
780
8104
9131
10143
11179
12197
13215
14251
15311
16326
17362
18380
19416
20470
21506
22518
23578
24626
25653
26693
27765
28783
29837
30861
31903
32957
33993
341029
351173
361200
371218
381254
391374
401398
411452
421476
431512
441620
451674
461686
471776
481836
491890
501944
512016
522034
532094
542166
552286
562358
572394

[3,9,21,30,48,60,80,104,131,143,179,197,215,251,
 311,326,362,380,416,470,506,518,578,626,653,693,
 765,783,837,861,903,957,993,1029,1173,1200,1218,
 1254,1374,1398,1452,1476,1512,1620,1674,1686,1776,
 1836,1890,1944,2016,2034,2094,2166,2286,2358,2394]