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A073573 as a simple table

na(n)
11
23
37
49
519
625
727
845
963
1069
1179
1285
1387
1499
15103
16109
17115
18117
19129
20133
21145
22169
23175
24183
25195
26207
27235
28277
29279
30283
31289
32295
33337
34343
35345
36355
37357
38363
39379
40469
41487
42495
43507
44519
45525
46529
47535
48537
49555
50559
51579
52645
53657
54663
55679
56703
57715
58717
59777
60783

[1,3,7,9,19,25,27,45,63,69,79,85,87,99,103,109,
 115,117,129,133,145,169,175,183,195,207,235,277,
 279,283,289,295,337,343,345,355,357,363,379,469,
 487,495,507,519,525,529,535,537,555,559,579,645,
 657,663,679,703,715,717,777,783]