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A111578 as a simple table

na(n)
11
21
31
41
56
61
71
831
915
101
111
12156
13166
1428
151
161
17781
181650
19530
2045
211
221
233906
2415631
258540
261295
2766
281
291
3019531
31144585
32126651
3330555
342681
3591
361
371
3897656
391320796
401791048
41646086
4286856
434956
44120
451
461
47488281
4811984820
4924604420
5012774510

[1,1,1,1,6,1,1,31,15,1,1,156,166,28,1,1,781,1650,
 530,45,1,1,3906,15631,8540,1295,66,1,1,19531,
 144585,126651,30555,2681,91,1,1,97656,1320796,
 1791048,646086,86856,4956,120,1,1,488281,11984820,
 24604420,12774510]