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A117487 as a simple table

na(n)
11
22
35
410
520
636
763
8104
9169
10264
11405
12604
13888
141278
151815
162536
173502
184772
196437
208586
2111352
2214866
2319315
2424890
2531851
2640466
2751089
2864092
2979952
3099172
31122386
32150264
33183639
34223394
35270605
36326422
37392225
38469490
39559970
40665542
41788412

[1,2,5,10,20,36,63,104,169,264,405,604,888,1278,
 1815,2536,3502,4772,6437,8586,11352,14866,19315,
 24890,31851,40466,51089,64092,79952,99172,122386,
 150264,183639,223394,270605,326422,392225,469490,
 559970,665542,788412]