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A003528 as a simple table

na(n)
11
23
37
49
519
621
727
857
963
1073
11133
12171
13189
14219
15399
16511
17513
18657
191197
201387
211533
221971
233591
244161
254599
269709
2712483
2813797
2929127
3037449
3187381
32262143

[1,3,7,9,19,21,27,57,63,73,133,171,189,219,399,
 511,513,657,1197,1387,1533,1971,3591,4161,4599,
 9709,12483,13797,29127,37449,87381,262143]