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A100635 as a simple table

na(n)
11
27
37
417
57
649
77
831
917
1049
117
12119
137
1449
1549
1649
177
18119
197
20119
2149
2249
237
24217
2517
2649
2731
28119
297
30343
317
3271
3349
3449
3549
36289
377
3849
3949
40217
417
42343
437
44119
45119
4649
477
48343
4917
50119
5149
52119
537
54217
5549
56217
5749
5849
597
60833
617
6249
63119

[1,7,7,17,7,49,7,31,17,49,7,119,7,49,49,49,7,119,
 7,119,49,49,7,217,17,49,31,119,7,343,7,71,49,49,
 49,289,7,49,49,217,7,343,7,119,119,49,7,343,17,
 119,49,119,7,217,49,217,49,49,7,833,7,49,119]