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A206389 as a simple table

na(n)
11
21
31
41
51
61
72
84
94
102
115
1233
1355
1433
155
1615
17380
181368
191368
20380
2115
2252
234801
2434442
2567716
2634442
274801
2852
29202
3062004
31868994
323328979
333328979
34868994
3562004
36202
37855
38804833
3921916090
40164270604
41319902496
42164270604
4321916090
44804833
45855

[1,1,1,1,1,1,2,4,4,2,5,33,55,33,5,15,380,1368,
 1368,380,15,52,4801,34442,67716,34442,4801,52,202,
 62004,868994,3328979,3328979,868994,62004,202,855,
 804833,21916090,164270604,319902496,164270604,
 21916090,804833,855]