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A146948 as a simple table

na(n)
14
29
321
433
557
665
769
877
985
1093
11121
12129
13141
14177
15185
16201
17209
18213
19217
20221
21237
22253
23265
24289
25301
26309
27321
28329
29365
30381
31393
32417
33437
34445
35453
36469
37481
38497
39501
40517
41533
42545
43553
44581
45589
46597
47633
48669
49681
50689
51697
52713
53717
54753

[4,9,21,33,57,65,69,77,85,93,121,129,141,177,185,
 201,209,213,217,221,237,253,265,289,301,309,321,
 329,365,381,393,417,437,445,453,469,481,497,501,
 517,533,545,553,581,589,597,633,669,681,689,697,
 713,717,753]