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A051342 as a simple table

na(n)
13
27
331
4211
52311
659
719
8347
9317
10331
11200560490131
12181
1361
14167
15953
1673
17277
18223
1954730729297
201063
212521
2222093
23265739
24131
252336993
26960703
272297
28149
29334507
305122427
311543
321951
33881
34678279959005528882498681487
3587549524399
3623269086799180847

[3,7,31,211,2311,59,19,347,317,331,200560490131,
 181,61,167,953,73,277,223,54730729297,1063,2521,
 22093,265739,131,2336993,960703,2297,149,334507,
 5122427,1543,1951,881,678279959005528882498681487,
 87549524399,23269086799180847]