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A270667 as a simple table

na(n)
11
221
339
457
591
693
7111
8129
9133
10183
11201
12217
13219
14237
15247
16259
17273
18291
19301
20309
21327
22381
23399
24403
25417
26427
27453
28469
29471
30481
31489
32511
33543
34553
35559
36579
37589
38597
39633
40651
41669
42679
43687
44703
45721
46723
47741
48763
49777
50793
51813
52817
53831
54849
55871
56889
57903
58921
59939
60949
61973
62993

[1,21,39,57,91,93,111,129,133,183,201,217,219,237,
 247,259,273,291,301,309,327,381,399,403,417,427,
 453,469,471,481,489,511,543,553,559,579,589,597,
 633,651,669,679,687,703,721,723,741,763,777,793,
 813,817,831,849,871,889,903,921,939,949,973,993]