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A045355 as a simple table

na(n)
12
25
37
413
523
629
731
837
947
1053
1161
1271
1379
14101
15103
16109
17127
18149
19151
20157
21167
22173
23181
24191
25197
26199
27223
28229
29239
30263
31269
32271
33277
34293
35311
36317
37349
38359
39367
40373
41383
42389
43397
44421
45431
46439

[2,5,7,13,23,29,31,37,47,53,61,71,79,101,103,109,
 127,149,151,157,167,173,181,191,197,199,223,229,
 239,263,269,271,277,293,311,317,349,359,367,373,
 383,389,397,421,431,439]