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A015723 as a simple table

na(n)
11
21
33
43
55
68
710
813
918
1025
1130
1240
1349
1463
1580
1698
17119
18149
19179
20218
21266
22318
23380
24455
25541
26640
27760
28895
291050
301234
311442
321679
331960
342272
352635
363052
373520
384054
394669
405359
416142
427035
438037
449170
4510460
4611896
4713517
4815349
4917394
5019691

[1,1,3,3,5,8,10,13,18,25,30,40,49,63,80,98,119,
 149,179,218,266,318,380,455,541,640,760,895,1050,
 1234,1442,1679,1960,2272,2635,3052,3520,4054,4669,
 5359,6142,7035,8037,9170,10460,11896,13517,15349,
 17394,19691]