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A335984 as a simple table

na(n)
14
25
37
49
511
619
721
831
933
1039
1149
1251
1381
1499
15101
16123
17129
18159
19171
20177
21189
22231
23291
24441
25879
261011
272751

[4,5,7,9,11,19,21,31,33,39,49,51,81,99,101,123,
 129,159,171,177,189,231,291,441,879,1011,2751]