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A156300 as a simple table

na(n)
12
23
37
413
519
643
761
867
979
1097
11109
12127
13151
14163
15181
16211
17223
18229
19277
20307
21331
22373
23379
24397
25457
26463
27523
28601
29607
30613
31673
32727
33733
34751
35757
36853
37883
38907
39919
40967
411021
421033
431069
441117
451171
461201
471231
481237
491321
501327
511381
521399

[2,3,7,13,19,43,61,67,79,97,109,127,151,163,181,
 211,223,229,277,307,331,373,379,397,457,463,523,
 601,607,613,673,727,733,751,757,853,883,907,919,
 967,1021,1033,1069,1117,1171,1201,1231,1237,1321,
 1327,1381,1399]