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A166979 as a simple table

na(n)
11
21
31
41
511
61
71
8111
930
101
111
121111
13681
1458
151
161
1711111
1814050
192305
2095
211
221
23111111
24278061
2578590
265820
27141
281
291
301111111
315394270
322478581
33293930
3412306
35196
361
371
3811111111
39103602241
4074794538
4113353991
42860006
4323086
44260
451
461

[1,1,1,1,11,1,1,111,30,1,1,1111,681,58,1,1,11111,
 14050,2305,95,1,1,111111,278061,78590,5820,141,1,
 1,1111111,5394270,2478581,293930,12306,196,1,1,
 11111111,103602241,74794538,13353991,860006,23086,
 260,1,1]