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A141650 as a simple table

na(n)
15
27
33
413
57
611
729
817
937
107
115
1253
1359
1467
1519
1613
1741
1883
1931
20107
21131
2219
2347
2471
2529
26157
27193
2841
2919
30241
3161
32251
33137
3447
3597
36311
3723
38331
3967
40397
41137
42211
4373
44149
45229
46157
4779
4841
49251
50503
5143
52173
53263
54269
55619
56311
57659
58691
59353
60739
61199
62421
63281
64853

[5,7,3,13,7,11,29,17,37,7,5,53,59,67,19,13,41,83,
 31,107,131,19,47,71,29,157,193,41,19,241,61,251,
 137,47,97,311,23,331,67,397,137,211,73,149,229,
 157,79,41,251,503,43,173,263,269,619,311,659,691,
 353,739,199,421,281,853]