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A027759 as a simple table

na(n)
11
25
31
431
51
641
71
831
91
1061
111
123421
131
145
151
16557
171
18821
191
20371
211
22121
231
243421
251
265
271
28929
291
3015745
311
32557
331
345
351
362557843
371
385
391
4015541
411
421805
431
44743
451
46241
471
4860887
491
5061
511
521673
531
54821
551
56929
571
58301
591
6079085411
611
625
631
64557

[1,5,1,31,1,41,1,31,1,61,1,3421,1,5,1,557,1,821,1,
 371,1,121,1,3421,1,5,1,929,1,15745,1,557,1,5,1,
 2557843,1,5,1,15541,1,1805,1,743,1,241,1,60887,1,
 61,1,1673,1,821,1,929,1,301,1,79085411,1,5,1,557]