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A194635 as a simple table

na(n)
12
25
313
447
559
6109
7241
8631
91109
101373
111447
1216229
1352267
1456543
15838441
1616935761
17270704167
183296757029

[2,5,13,47,59,109,241,631,1109,1373,1447,16229,
 52267,56543,838441,16935761,270704167,3296757029]