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A173256 as a simple table

na(n)
10
21
33
47
512
620
729
839
952
1068
1185
12103
13123
14148
15174
16203
17235
18269
19305
20342
21382
22423
23468
24517
25567
26619
27672
28730
29791
30855
31920
32988
331060
341133
351207
361287
371368
381450
391535
401624
411714
421811
431909
442009
452110
462214
472320
482429
492542
502658
512775

[0,1,3,7,12,20,29,39,52,68,85,103,123,148,174,203,
 235,269,305,342,382,423,468,517,567,619,672,730,
 791,855,920,988,1060,1133,1207,1287,1368,1450,
 1535,1624,1714,1811,1909,2009,2110,2214,2320,2429,
 2542,2658,2775]