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A173143 as a simple table

na(n)
11
23
36
411
517
624
734
845
958
1072
1187
12104
13123
14144
15166
16189
17215
18244
19274
20305
21338
22372
23407
24444
25482
26521
27562
28604
29647
30693
31740
32791
33844
34899
35956
361014
371073
381134
391196
401261
411327
421394
431463
441533
451604
461677
471751
481828
491906
501985
512067
522150

[1,3,6,11,17,24,34,45,58,72,87,104,123,144,166,
 189,215,244,274,305,338,372,407,444,482,521,562,
 604,647,693,740,791,844,899,956,1014,1073,1134,
 1196,1261,1327,1394,1463,1533,1604,1677,1751,1828,
 1906,1985,2067,2150]