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A247285 as a simple table

na(n)
11
21
31
41
53
61
71
85
97
101
111
127
1319
1414
151
161
179
1836
1959
2026
211
221
2311
2458
25150
26162
2746
281
291
3013
3185
32300
33543
34408
3579
361
371
3815
39117
40523
411335
421771
43966
44133
451
461
4717
48154
49833
502747
515303
525335
532184
54221
551
561
5719
58196
591244
605031
6112792
6219272
6315099
644767
65364
661

[1,1,1,1,3,1,1,5,7,1,1,7,19,14,1,1,9,36,59,26,1,1,
 11,58,150,162,46,1,1,13,85,300,543,408,79,1,1,15,
 117,523,1335,1771,966,133,1,1,17,154,833,2747,
 5303,5335,2184,221,1,1,19,196,1244,5031,12792,
 19272,15099,4767,364,1]