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A141689 as a simple table

na(n)
11
21
31
41
53
61
71
87
97
101
111
1215
1336
1415
151
161
1731
18156
19156
2031
211
221
2363
24603
251218
26603
2763
281
291
30127
312157
327827
337827
342157
35127
361
371
38255
397318
4044145
4178130
4244145
437318
44255
451
461
47511
4823938
49227638
50655240
51655240
52227638
5323938
54511
551

[1,1,1,1,3,1,1,7,7,1,1,15,36,15,1,1,31,156,156,31,
 1,1,63,603,1218,603,63,1,1,127,2157,7827,7827,
 2157,127,1,1,255,7318,44145,78130,44145,7318,255,
 1,1,511,23938,227638,655240,655240,227638,23938,
 511,1]