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A045444 as a simple table

na(n)
15
27
313
419
541
647
761
883
989
1097
11103
12131
13139
14167
15173
16181
17223
18229
19251
20257
21271
22293
23307
24313
25349
26383
27397
28419
29433
30439
31461
32467
33503
34509
35523
36587
37593
38601
39607
40643
41677
42691
43719
44727
45733

[5,7,13,19,41,47,61,83,89,97,103,131,139,167,173,
 181,223,229,251,257,271,293,307,313,349,383,397,
 419,433,439,461,467,503,509,523,587,593,601,607,
 643,677,691,719,727,733]