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A255277 as a simple table

na(n)
01
17
27
327
47
549
627
7113
87
949
1049
11189
1227
13189
14113
15447
167
1749
1849
19189
2049
21343
22189
23791
2427
25189
26189
27729
28113
29791
30447
311743
327
3349
3449
35189
3649
37343
38189
39791
4049
41343
42343
431323
44189
451323
46791
473129
4827
49189
50189
51729
52189
531323
54729
553051
56113
57791
58791
593051
60447
613129
621743
636789
647

[1,7,7,27,7,49,27,113,7,49,49,189,27,189,113,447,
 7,49,49,189,49,343,189,791,27,189,189,729,113,791,
 447,1743,7,49,49,189,49,343,189,791,49,343,343,
 1323,189,1323,791,3129,27,189,189,729,189,1323,
 729,3051,113,791,791,3051,447,3129,1743,6789,7]