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A166346 as a simple table

na(n)
11
21
31
41
58
61
71
839
939
101
111
12158
13482
14158
151
161
17605
184194
194194
20605
211
221
232276
2431047
2567752
2631047
272276
281
291
308515
31210609
32856075
33856075
34210609
358515
361
371
3831802
391356368
409367974
4117194910
429367974
431356368
4431802
451
461
47118713

[1,1,1,1,8,1,1,39,39,1,1,158,482,158,1,1,605,4194,
 4194,605,1,1,2276,31047,67752,31047,2276,1,1,8515,
 210609,856075,856075,210609,8515,1,1,31802,
 1356368,9367974,17194910,9367974,1356368,31802,1,
 1,118713]