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A304005 as a simple table

na(n)
11
27
313
421
527
653
799
8197
9371
10713
111365
122645
135105
149857
1519079
1636861
1771379
18138165
19267465
20518201
211003521
221944649
233767939
247302057
2514153291
2627432325
2753179669
28103092661
29199871009
30387518385
31751360183
321456897269
332824988675

[1,7,13,21,27,53,99,197,371,713,1365,2645,5105,
 9857,19079,36861,71379,138165,267465,518201,
 1003521,1944649,3767939,7302057,14153291,27432325,
 53179669,103092661,199871009,387518385,751360183,
 1456897269,2824988675]