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A071997 as a simple table

na(n)
11
23
35
47
511
619
727
843
975
10115
11171
12307
13555
14691
151383
162467
173627
187243
1910995
2017587
2128973
2257943
2387963
24136627
25267573
26465293
27807629
281407093
292390667
304216531
317122293
3211245133
3321756267
3439652589

[1,3,5,7,11,19,27,43,75,115,171,307,555,691,1383,
 2467,3627,7243,10995,17587,28973,57943,87963,
 136627,267573,465293,807629,1407093,2390667,
 4216531,7122293,11245133,21756267,39652589]