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A272600 as a simple table

na(n)
19
221
325
433
549
655
765
881
985
10121
11129
12145
13161
14169
15201
16217
17221
18253
19273
20289
21295
22301
23321
24325
25343
26361
27385
28441
29469
30481
31501
32505
33513
34545
35589
36625
37649
38685
39721
40781
41801
42817
43841
44865
45901
46961
47973
481001
491025
501027
511081
521089
531101
541135
551177
561261
571281
581333
591345
601369
611405
621441
631501

[9,21,25,33,49,55,65,81,85,121,129,145,161,169,
 201,217,221,253,273,289,295,301,321,325,343,361,
 385,441,469,481,501,505,513,545,589,625,649,685,
 721,781,801,817,841,865,901,961,973,1001,1025,
 1027,1081,1089,1101,1135,1177,1261,1281,1333,1345,
 1369,1405,1441,1501]