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A173209 as a simple table

na(n)
11
23
37
414
522
633
746
860
976
1095
11116
12138
13163
14189
15217
16248
17280
18315
19352
20390
21431
22473
23517
24564
25613
26663
27715
28770
29826
30885
31946
321008
331072
341139
351208
361278
371351
381425
391501
401580
411661
421743
431827
441914
452002
462093
472186
482280
492377
502475
512575

[1,3,7,14,22,33,46,60,76,95,116,138,163,189,217,
 248,280,315,352,390,431,473,517,564,613,663,715,
 770,826,885,946,1008,1072,1139,1208,1278,1351,
 1425,1501,1580,1661,1743,1827,1914,2002,2093,2186,
 2280,2377,2475,2575]