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A196590 as a simple table

na(n)
11
21
31
42
57
62
73
820
920
103
115
1265
13120
1465
155
168
17203
18698
19698
20203
218
2213
23648
244078
257407
264078
27648
2813
2921
302057
3124032
3279091
3379091
3424032
352057
3621
3734
386527
39141460
40839370
411522940
42839370
43141460
446527
4534
4655
4720740
48830652
498980645
5029573040

[1,1,1,2,7,2,3,20,20,3,5,65,120,65,5,8,203,698,
 698,203,8,13,648,4078,7407,4078,648,13,21,2057,
 24032,79091,79091,24032,2057,21,34,6527,141460,
 839370,1522940,839370,141460,6527,34,55,20740,
 830652,8980645,29573040]