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A261959 as a simple table

na(n)
01
11
21
31
41
53
61
71
81
913
101
111
121
137
1475
151
161
171
187
1921
20541
211
221
231
247
259
2681
274683
281
291
301
317
329
3331
34793
3547293
361
371
381
397
409
4131
42403
434929
44545835
451
461
471
487
499
5031
51403
521597
5333029
547087261
551
561
571
587
599
6031
61403
62757
637913
64388537
65102247563

[1,1,1,1,1,3,1,1,1,13,1,1,1,7,75,1,1,1,7,21,541,1,
 1,1,7,9,81,4683,1,1,1,7,9,31,793,47293,1,1,1,7,9,
 31,403,4929,545835,1,1,1,7,9,31,403,1597,33029,
 7087261,1,1,1,7,9,31,403,757,7913,388537,
 102247563]