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A175557 as a simple table

na(n)
15
22
35
441
53
62
72
82
917
1013
1111
1289
137
145
155
165
1741
183
193
20347
213
223
233
2429
252
262
272
282
2926041
302
312
322
3323
342
352
362
372
382
3917
4013
4113
421201
4311
4411
45107
46919
4789
487
497
507
517
527
537
5461
555
565
575
585
595
605
615
625
635
645
655
665
6741
684111
693

[5,2,5,41,3,2,2,2,17,13,11,89,7,5,5,5,41,3,3,347,
 3,3,3,29,2,2,2,2,26041,2,2,2,23,2,2,2,2,2,17,13,
 13,1201,11,11,107,919,89,7,7,7,7,7,7,61,5,5,5,5,5,
 5,5,5,5,5,5,5,41,4111,3]