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A259568 as a simple table

na(n)
11
25
39
413
521
625
729
837
941
1045
1153
1257
1361
1485
1589
1693
17101
18105
19109
20117
21121
22125
23149
24153
25157
26165
27169
28173
29181
30185
31189
32213
33217
34221
35229
36233
37237
38245
39249
40253
41341
42345
43349
44357
45361
46365
47373
48377
49381
50405
51409
52413
53421
54425
55429
56437
57441
58445
59469
60473
61477
62485
63489
64493
65501
66505
67509
68597
69601
70605

[1,5,9,13,21,25,29,37,41,45,53,57,61,85,89,93,101,
 105,109,117,121,125,149,153,157,165,169,173,181,
 185,189,213,217,221,229,233,237,245,249,253,341,
 345,349,357,361,365,373,377,381,405,409,413,421,
 425,429,437,441,445,469,473,477,485,489,493,501,
 505,509,597,601,605]