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A174054 as a simple table

na(n)
15
241
361
4109
5137
6149
7157
8229
9269
10281
11317
12389
13397
14401
15461
16509
17557
18601
19617
20653
21701
22769
23773
24797
25829
26857
27877
28937
29941
30977
31997
321009
331013
341061
351093
361097
371153
381181
391213
401217
411229
421249
431277
441289
451321
461409
471453
481489

[5,41,61,109,137,149,157,229,269,281,317,389,397,
 401,461,509,557,601,617,653,701,769,773,797,829,
 857,877,937,941,977,997,1009,1013,1061,1093,1097,
 1153,1181,1213,1217,1229,1249,1277,1289,1321,1409,
 1453,1489]