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A247837 as a simple table

na(n)
113
231
3307
41093
51723
62801
73541
85113
98011
1010303
1117293
1219531
1328057
1430103
1530941
1686143
1788741
18147073
19292561
20459007
21492103
22552793
23579883
24598303
25684757
26704761
27732541
28735307
29797161
30830833
311191373
321204507
331353733
341395943
351424443
361482307

[13,31,307,1093,1723,2801,3541,5113,8011,10303,
 17293,19531,28057,30103,30941,86143,88741,147073,
 292561,459007,492103,552793,579883,598303,684757,
 704761,732541,735307,797161,830833,1191373,
 1204507,1353733,1395943,1424443,1482307]