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A212855 as a simple table

na(n)
11
21
31
41
53
61
71
819
97
101
111
12211
13163
1415
151
161
173651
188983
191135
2031
211
221
2390921
24966751
25271375
267291
2763
281
291
303081513
31179781181
32158408751
337225951
3445199
35127
361
371
38136407699
3953090086057
40191740223841
4121855093751
42182199871
43275563
44255
451

[1,1,1,1,3,1,1,19,7,1,1,211,163,15,1,1,3651,8983,
 1135,31,1,1,90921,966751,271375,7291,63,1,1,
 3081513,179781181,158408751,7225951,45199,127,1,1,
 136407699,53090086057,191740223841,21855093751,
 182199871,275563,255,1]