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A255283 as a simple table

na(n)
01
17
27
331
47
549
631
7145
87
949
1049
11217
1231
13217
14145
15601
167
1749
1849
19217
2049
21343
22217
231015
2431
25217
26217
27961
28145
291015
30601
312551
327
3349
3449
35217
3649
37343
38217
391015
4049
41343
42343
431519
44217
451519
461015
474207
4831
49217
50217
51961
52217
531519
54961
554495
56145
571015
581015
594495
60601
614207
622551
6310351

[1,7,7,31,7,49,31,145,7,49,49,217,31,217,145,601,
 7,49,49,217,49,343,217,1015,31,217,217,961,145,
 1015,601,2551,7,49,49,217,49,343,217,1015,49,343,
 343,1519,217,1519,1015,4207,31,217,217,961,217,
 1519,961,4495,145,1015,1015,4495,601,4207,2551,
 10351]