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A344421 as a simple table

na(n)
10
21
34
47
512
619
728
837
946
1059
1172
1285
13102
14117
15136
16155
17176
18195
19220
20247
21272
22299
23324
24355
25388
26421
27450
28485
29520
30559
31600
32637
33678
34719
35766
36807
37856
38897
39952
40999
411052
421101
431156
441215
451266
461327
471380
481445
491504
501569
511630
521695
531764

[0,1,4,7,12,19,28,37,46,59,72,85,102,117,136,155,
 176,195,220,247,272,299,324,355,388,421,450,485,
 520,559,600,637,678,719,766,807,856,897,952,999,
 1052,1101,1156,1215,1266,1327,1380,1445,1504,1569,
 1630,1695,1764]