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A186370 as a simple table

na(n)
11
21
31
41
53
62
71
87
911
105
111
1215
1343
1445
1516
161
1731
18148
19268
20211
2161
221
2363
24480
251344
261767
271113
28272
291
30127
311509
326171
3312099
3412477
356551
361385
371
38255
394661
4026955
4174211
42111645
4394631
4442585
457936
461
47511
4814246
49114266
50425976
51878856
521070906
53770246
54303271
5550521

[1,1,1,1,3,2,1,7,11,5,1,15,43,45,16,1,31,148,268,
 211,61,1,63,480,1344,1767,1113,272,1,127,1509,
 6171,12099,12477,6551,1385,1,255,4661,26955,74211,
 111645,94631,42585,7936,1,511,14246,114266,425976,
 878856,1070906,770246,303271,50521]